AETA Scoopy+ S Manuale utente

Mono/stereo portable audio codec for real time

transmission over ISDN / POTS / MOBILE / IP

User Manual

SCOOPY+ S - User Manual

Table of contents

1. Presentation –Getting started...............................................................................1

1.1. Install and connect SCOOPY+ S.............................................................................................................3

1.2. Audio settings.....................................................................................................................................3

1.3. Select and set up network to be used: wired networks.....................................................................3

1.3.1. Set up an ISDN link ..................................................................................................................... 3

1.3.2. Set up a (wired) IP link................................................................................................................ 4

1.3.3. Set up a POTS link....................................................................................................................... 4

1.4. Select and set up network to be used: mobile networks...................................................................5

1.4.1. Set up a link in voice mode......................................................................................................... 5

1.4.2. Set up a (mobile) IP link.............................................................................................................. 6

2. Functions.................................................................................................................7

2.1. Transmission interfaces......................................................................................................................8

2.1.1. Ethernet/IP interface.................................................................................................................. 8

2.1.2. ISDN interface........................................................................................................................... 11

2.1.3. POTS interface .......................................................................................................................... 12

2.1.4. Mobile network access............................................................................................................. 13

2.1.5. Managing calls.......................................................................................................................... 14

2.2. Audio encoding and decoding..........................................................................................................15

2.2.1. G711 coding.............................................................................................................................. 16

2.2.2. Mobile telephony coding: GSM , AMR ..................................................................................... 16

2.2.3. Mobile HD Voice coding: AMR-WB .......................................................................................... 16

2.2.4. CELP coding .............................................................................................................................. 16

2.2.5. G722 coding.............................................................................................................................. 17

2.2.6. TDAC coding ............................................................................................................................. 17

2.2.7. 4SB ADPCM coding................................................................................................................... 17

2.2.8. MPEG Audio Layer 2 coding ..................................................................................................... 18

2.2.9. MPEG AAC algorithms .............................................................................................................. 18

2.2.10. OPUS coding ........................................................................................................................... 19

2.2.11. Linear coding .......................................................................................................................... 19

2.3. Audio interfaces and functions ........................................................................................................20

2.3.1. Mic/Line inputs......................................................................................................................... 20

2.3.2. Line outputs.............................................................................................................................. 21

2.3.3. Headphone outputs: monitoring.............................................................................................. 21

2.3.4. USB interface (device) .............................................................................................................. 21

2.3.5. Recording/Playing audio files................................................................................................... 22

2.3.6. Mixing and routing ................................................................................................................... 22

2.3.7. Audio level monitoring ............................................................................................................. 26

2.4. Auxiliary transmission functions ......................................................................................................27

2.5. Supervision and control interface ....................................................................................................28

2.5.1. "Local" control.......................................................................................................................... 28

2.5.2. Embedded html server: "web pages"....................................................................................... 28

2.5.3. Remote control interfaces........................................................................................................ 28

2.5.4. Remote access.......................................................................................................................... 29

2.5.5. GPIO.......................................................................................................................................... 31

SCOOPY+S - User Manual

2.5.6. Configuration and dialling memories ....................................................................................... 32

2.5.7. Test functions ........................................................................................................................... 32

3. Operation ...............................................................................................................33

3.1. General principles –Control means ................................................................................................ 33

3.2. Physical description of the equipment............................................................................................ 34

3.2.1. Front panel ............................................................................................................................... 34

3.2.2. Rear panel: transmission interfaces ......................................................................................... 38

3.2.3. Left side: inputs 1 and 3............................................................................................................ 40

3.2.4. Right side: input 2 and line outputs ......................................................................................... 40

3.2.5. Battery compartment............................................................................................................... 40

3.3. Putting in service ............................................................................................................................. 41

3.4. Initial setup of the Ethernet interface............................................................................................. 42

3.4.1. DHCP server available............................................................................................................... 42

3.4.2. "Static" IP configuration ........................................................................................................... 42

3.4.3. Checking the IP configuration................................................................................................... 43

3.4.4. Optional configuration of the "link" Ethernet layer ................................................................. 43

3.4.5. Configuration of the secondary Ethernet interface ................................................................. 43

3.5. Managing links................................................................................................................................. 44

3.5.1. Setting up and releasing links................................................................................................... 44

3.5.2. Auto-redial feature................................................................................................................... 44

3.5.3. GPIO control ............................................................................................................................. 44

3.6. First level maintenance ................................................................................................................... 45

3.6.1. Using the test loops .................................................................................................................. 45

3.6.2. Clearing / Saving / Restoring settings....................................................................................... 45

3.6.3. Backup reset ............................................................................................................................. 46

3.6.4. Firmware updating ................................................................................................................... 46

4. Detailed operating mode –User interface...........................................................47

4.1. Equipment start-up ......................................................................................................................... 47

4.2. Principles for the navigation............................................................................................................ 47

4.3. Dialing and text input keypad.......................................................................................................... 49

4.4. Description of the menus ................................................................................................................ 50

4.4.1. Network sub-menu.................................................................................................................. 51

4.4.2. Algorithm sub-menu................................................................................................................ 61

4.4.3. Audio sub-menu....................................................................................................................... 62

4.4.4. Coordination sub-menu .......................................................................................................... 63

4.4.5. Directory menu ........................................................................................................... 64

4.4.6. About sub-menu....................................................................................................................... 66

4.4.7. Misc sub-menu ......................................................................................................................... 67

4.4.8. Maintenance sub-menu........................................................................................................... 69

4.5. Setting up a link ............................................................................................................................... 70

4.5.1. Basic options............................................................................................................................. 70

4.5.2. Preparing the network interface(s) .......................................................................................... 71

4.5.3. Setting the coding configuration .............................................................................................. 75

4.5.4. Launching calls (outgoing) ........................................................................................................ 76

4.5.5. Receiving calls........................................................................................................................... 78

4.6. Management of the configuration profiles..................................................................................... 80

4.7. Recording function .......................................................................................................................... 81

SCOOPY+ S - User Manual

4.7.1. Recording.................................................................................................................................. 81

4.7.2. Playing back.............................................................................................................................. 82

4.7.3. Simple editing........................................................................................................................... 83

4.7.4. Management of recordings...................................................................................................... 84

4.8. Restricted operation mode ..............................................................................................................85

4.8.1. Principles .................................................................................................................................. 85

4.8.2. Locking the front panel ............................................................................................................ 85

4.8.3. Unlocking the front panel......................................................................................................... 85

4.8.4. Lost the password?................................................................................................................... 86

4.9. Clearing all settings ..........................................................................................................................86

4.10. Backing up and restoring the configuration...................................................................................86

4.11. Specific display screens ..................................................................................................................87

4.11.1. Display statistics about the IP transmission ........................................................................... 87

4.11.2. Case of the Opus algorithm: bit rate change "on the fly" ...................................................... 88

4.11.3. Display the state of the transmitted INFO 1 and INFO 2........................................................ 88

4.11.4. Displaying received SMS......................................................................................................... 88

5. Operating mode –Embedded HTML pages........................................................89

5.1. Accessing the SCOOPY+ S html pages ................................................................................................89

5.2. Principles of operation with html pages ..........................................................................................90

5.3. "STATUS" tab......................................................................................................................................91

5.4. "CONNECTIONS" tab ............................................................................................................................92

5.5. "PROFILES" tab....................................................................................................................................93

5.5.1. "CALL PROFILES" page .................................................................................................................. 93

5.5.2. "PRESETS" page .......................................................................................................................... 93

5.5.3. Snapshots ................................................................................................................................. 93

5.6. "NETWORK" tab ..................................................................................................................................94

5.6.1. "CHANGE NETWORK" page: default interface selection............................................................... 94

5.6.2. "ETHERNET PARAMETERS" page..................................................................................................... 94

5.6.3. "AOIP PARAMETERS" page ........................................................................................................... 95

5.6.4. "ISDN PARAMETERS" page........................................................................................................... 95

5.6.5. "POTS PARAMETERS" page .......................................................................................................... 96

5.6.6. "MOBILE PARAMETERS" page........................................................................................................ 96

5.7. "AUDIO" tab .......................................................................................................................................97

5.8. "CODING" tab .....................................................................................................................................98

5.9. "MISC" tab.........................................................................................................................................99

5.10. "MAINTENANCE" tab........................................................................................................................100

5.10.1. "LOGIN DATA" page ................................................................................................................. 100

5.10.2. "TESTS" page.......................................................................................................................... 100

5.10.3. "SYSTEM UPDATE" page ........................................................................................................... 100

5.10.4. "RESET" page ......................................................................................................................... 101

5.10.5. "EVENT LOG" page................................................................................................................... 102

5.10.6. "SETUP TRANSFER" page .......................................................................................................... 103

5.10.7. "REMOTE ACCESS" page ........................................................................................................... 104

5.11. "ALARM" tab ..................................................................................................................................105

6. How to use the remote access service .............................................................106

6.1. Using the remote assistance ..........................................................................................................106

6.1.1. Step 1: connect the SCOOPY+ S to the server.......................................................................... 106

SCOOPY+S - User Manual

6.1.2. Step 2: open the remote session............................................................................................ 106

6.2. Using the remote html access ....................................................................................................... 107

6.2.1. Step 1: connect the SCOOPY+ S to the server .......................................................................... 107

6.2.2. Step 2: open the remote session............................................................................................ 107

6.3. Security aspects............................................................................................................................. 109

6.3.1. Protection measures............................................................................................................... 109

6.3.2. Tips for firewalls ..................................................................................................................... 109

7. Technical characteristics ...................................................................................110

7.1. Characteristics of the audio interfaces.......................................................................................... 110

7.1.1. Mic/line inputs........................................................................................................................ 110

7.1.2. Line outputs............................................................................................................................ 110

7.1.3. Headphone outputs................................................................................................................ 110

7.1.4. Audio performance................................................................................................................. 111

7.2. Characteristics of network interfaces............................................................................................ 112

7.2.1. Ethernet Interface .................................................................................................................. 112

7.2.2. ISDN interfaces ....................................................................................................................... 112

7.2.3. POTS/PSTN interface .............................................................................................................. 112

7.2.4. Antenna socket (mobile networks) ........................................................................................ 112

7.2.5. Network protocols and ports ................................................................................................. 113

7.3. Miscellaneous interfaces............................................................................................................... 114

7.3.1. GPIO ("EXTENSION" socket) ................................................................................................... 114

7.4. Power supply ................................................................................................................................. 115

7.4.1. DC power supply..................................................................................................................... 115

7.4.2. Batteries ................................................................................................................................. 115

7.5. Dimensions and weight ................................................................................................................. 115

7.6. Environmental characteristics....................................................................................................... 116

7.7. Options .......................................................................................................................................... 116

7.7.1. Network options..................................................................................................................... 116

7.7.2. Other options.......................................................................................................................... 116

7.8. Accessories and related products.................................................................................................. 117

8. Annexes ...............................................................................................................118

8.1. Additional information on the algorithms and protocols used..................................................... 118

8.1.1. Auxiliary data in the MPEG frames......................................................................................... 118

8.1.2. Reed-Solomon encoding (ISDN only)...................................................................................... 118

8.1.3. H221 framing .......................................................................................................................... 118

8.2. Overview of the SIP protocol......................................................................................................... 119

8.2.1. What is SIP? ............................................................................................................................ 119

8.2.2. Setting a link with SIP ............................................................................................................. 119

8.2.3. Setting a link without a SIP server .......................................................................................... 120

8.3. Some methods to deal with NAT routers and firewalls ................................................................ 121

8.3.1. Links via a private network..................................................................................................... 121

8.3.2. Links through a public network (Internet).............................................................................. 121

8.3.3. Summary and reminder of essential rules.............................................................................. 125

8.4. Notice regarding open source code .............................................................................................. 126

9. Index.....................................................................................................................127

SCOOPY+ S - User Manual

1. Presentation –Getting started

The SCOOPY+ S codec allows the bidirectional transmission of one or two audio signals with bit rate

reduction, over various transmission media: ISDN lines, PSTN telephone lines, IP protocol networks,

mobile networks…

The standard version of the codec includes an Ethernet interface for IP transmission. The unit can be

complemented with many options providing additional network interfaces, coding algorithms, etc.

One outstanding feature of AETA codecs in ISDN mode is the 5A System: on receiving an incoming ISDN

call, the unit can automatically detect the coding algorithm and parameters of the calling codec, and

then adjust itself in a compatible configuration so that the connection succeeds regardless of the initial

configuration and that of the remote unit.

In IP mode, the codec features the same ease of operation thanks to the use of the SIP and SDP

protocols.

This chapter gives basic instructions for a quick start. It obviously does not provide all the information

for full control. For comprehensive information one can refer to the rest of this manual:

Chapter 2 describes all the functions and features of the SCOOPY+ S (but not necessarily with all

the operating modes).

Chapter 3 gives a physical description of the unit, shows its setting up and operation

principles.

Chapter 4 details menus and operating modes.

Chapter 5 deals with using the html server embedded in SCOOPY+ S.

Chapter 6 shows how to use the remote access service via Internet.

Chapter 7 provides all the technical characteristics of the SCOOPY+ S.

The annexes bring miscellaneous additional information, including an index you can use to look

for a given information topic.

The following table shows the main features of the product. Functions marked with in this table are

available as options.

Note: this document is relevant for units with firmware version 1.10.

Previous versions have differences in the features and the user interfaces.

5AS = Aeta Audio Advanced Automatic Adjustment System

SCOOPY+ S - User Manual

Characteristics

Optional

Operation modes

Single wide band codec

Single codec and coordination using a mobile voice link (with HD-4G option)



IP transmission interface

Ethernet Interface, 10BaseT / 100BaseT; TCP/IP, UDP/IP, RTP protocols

Audio transmission in unicast mode: SIP signalling protocol, SDP, RTP streaming

Audio transmission in multicast mode: RTP streaming

Net bit rate 16 to 256 kbit/s (depending on coding algorithm, linear coding excluded)

ISDN transmission interface



One S0 interface, single codec 64 or 128kbit/s

5AS auto configuration on incoming calls

Transmission interface on PSTN telephone line



One "2 wire" telephone interface

"POTS codec" mode with integrated V34 modem and CELP coding, 12 to 24 kbit/s

Telephone hybrid mode

Mobile network access



Integrated 2G/3G/3G+/LTE network access module, double internal antenna and antenna socket

Voice mode: standard telephone or "HD Voice" (7 kHz with AMR-WB)

Packet data mode: IP protocol, SIP signalling, SDP, RTP streaming, net bit rate 16 to 256 kbit/s

(depending on coding algorithm)

External 3G/LTE module connection via USB socket (data mode only)

SMS reception

Audio coding algorithms

(audio modes)

G711 (standard telephone)

GSM, AMR (mobile telephone)

AMR-WB / G722.2 (mobile "HD Voice"

G722 SRT, H221, H242

CELP 7 kHz

MPEG Audio Layer II

MPEG AAC-LC , HE-AAC, HE-AAC v2

4 sub-band ADPCM (low latency)

OPUS (AoIP only)

Linear L16, L24

TDAC (ISDN mode only)

Mono

Mono, Stereo, Dual mono, Joint stereo

Mono, Stereo

Mono



Audio interfaces

3 analog MIC/line inputs and two analog outputs with adjustable gain

Level display for encoder inputs and decoder outputs

2 stereo headphone sockets for monitoring, balanced send/receive

Auxiliary functions (available depending on transmission interface)

Relay management : 2 inputs and 2 outputs

Audio coordination channel with Mobile option ( up to 7kHz )

SMS reception via optional mobile access



Control and supervision

Keyboard and LCD display on front panel

Programmable set-up/dial memories

Ethernet/IP remote control, embedded html server

Control and status GPIO

Remote access via Internet

Secondary Ethernet interface for remote control



Recording



Table 1 –Main features of the SCOOPY+ S

SCOOPY+ S - User Manual

1.1. Install and connect SCOOPY+ S

Plug on a power source or insert 6 C-size batteries.

Switch on SCOOPY+ S by holding down for 3 seconds. (And hold down for 3 seconds to

switch off)

Connect the necessary audio interfaces (details: page 20)

Connect SCOOPY+ S on the transmission network (details: page 38 and following)

Using the SCOOPY+ S menus: key or key to activate the main menu, use the joystick to

select a sub-menu or a parameter, enter or validate with the key. jumps back up to the

previous menu level, until getting back to the base screen (with level display).

(details: page 47)

1.2. Audio settings

The microphone(s) to be used must be active ("ON" LED); for instance press for

microphone 1 if not yet done.

Set the microphone gain to the middle position, white dot up. Make a test with the

microphone. If the level is too strong or too weak on the meters, adjust the gain via the menu

Setup / Audio / Inputs / Input x Settings / Gain, so that you reach an adequate level (see

details further on page 62).

1.3. Select and set up network to be used: wired networks

Select network: Setup menu then Network, then select Change Network, . In the

proposed choice, select the desired network (ISDN, Ethernet, POTS). Validate with .

Select the audio coding: menu Setup / Algorithm, then Other, then . Browse the available

choice with the arrows, and make a selection with . Restart the same procedure to change

for another coding setup.



The available choice depends on the transmission network! For more details on coding, see

page15.

1.3.1. Set up an ISDN link

If needed, select the protocol with Setup / Network / ISDN Parameter / Protocol. More

details: see page 57.

Enter the remote number to dial, using the keypad, and press the key.

If more than one B channel is involved due to the coding algorithm used, you must enter a

second number, then . If the last dialled number is adequate, just confirm by pressing

without typing a number again.

Hang up with the key to release the connection (you must confirm by pressing again).

SCOOPY+ S - User Manual

1.3.2. Set up a (wired) IP link

For a link over a public IP network via an access router with NAT1, it is recommended to use

a STUN server.

The address of a STUN server can be set in the SCOOPY+ S html pages (see page 95) or via the menu:

Setup / Network / AoIP Parameter / STUN Server, enter the address of a STUN server (we

propose our server stun.aeta-audio.com, look also the support pages on our web site www.aeta-

audio.com). Enable or disable STUN with Setup / Network / AoIP Parameter / STUN Mode (On

or Off).

More details: see page 122.

Check the Ethernet interface is active thanks to the LED on the Ethernet socket on the back,

and check an IP address is allocated: menu Tools / About / Local IP.

The default setting uses a DHCP server to get an IP address, which is suitable for most

occasions. In other situations, look for more details on page 42.

Using the keypad, enter the remote number to call (numeric IP address, or SIP URI if a SIP

server is used), then press the key.

Hang up with the key (you must confirm by pressing again).

When using a SIP server, some data must be entered beforehand using the AoIP Parameter

menu; for more details, refer to page 54. Similarly, some preliminary settings may have to be

done for the "Direct RTP" mode (without the SIP protocol).

1.3.3. Set up a POTS link

For connecting the line, you must plug the POTS line in ANALOG socket.

If needed, adjust the POTS line parameters using Setup / Network / POTS Parameter.

Details on these settings: see page 58.

Enter the remote number to dial, using the keypad, and press the key.

Hang up with the key to release the connection (you must confirm by pressing again).

1Network Address Translation, which is performed in most cases by the access router.

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