AudioCodes Mediant 1000 User Manual page 429

User's Manual
Tel Profile Parameter
[TelProfile_ProfileName]
Signaling
Profile Preference
tel-preference
[TelProfile_TelPreference]
Fax Signaling Method
fax-sig-method
[TelProfile_IsFaxUsed]
Enable Digit Delivery
digit-delivery
[TelProfile_EnableDigitDelivery]
Version 7.2
Defines the priority of the Tel Profile, where 1 is the lowest priority and 20 the
highest priority.
Note:

If both the IP Profile and Tel Profile apply to the same call, the
coders and common parameters of the Preferred profile are
applied to the call.

If the Preference of the Tel Profile and IP Profile are identical,
the Tel Profile parameters are applied.

If the coder lists of both the IP Profile and Tel Profile apply to
the same call, only the coders common to both are used. The
order of the coders is determined by the preference.
Defines the SIP signaling method for establishing and
transmitting a fax session when the device detects a fax.

[0] No Fax = (Default) No fax negotiation using SIP signaling.
The fax transport method is according to the
FaxTransportMode parameter.

[1] T.38 Relay = Initiates T.38 fax relay.

[2] G.711 Transport = Initiates fax/modem using the coder
G.711 A-law/Mu-law with adaptations (see Note below).

[3] Fax Fallback = Initiates T.38 fax relay. If the T.38
negotiation fails, the device re-initiates a fax session using the
coder G.711 A-law/Mu-law with adaptations (see the Note
below).
Note:

Fax adaptations (for options 2 and 3):

Echo Canceller = On

Silence Compression = Off

Echo Canceller Non-Linear Processor Mode = Off

Dynamic Jitter Buffer Minimum Delay = 40

Dynamic Jitter Buffer Optimization Factor = 13

If the device initiates a fax session using G.711 (option 2 or
3), a 'gpmd' attribute is added to the SDP in the following
format:

For A-law: 'a=gpmd:8 vbd=yes;ecan=on'

For Mu-law: 'a=gpmd:0 vbd=yes;ecan=on'

When the parameter is set to 1, 2, or 3, the parameter
FaxTransportMode is ignored.

When the parameter is set to 0, T.38 might still be used
without the control protocol's involvement. To completely
disable T.38, set FaxTransportMode to a value other than 1.

For more information on fax transport methods, see
''Fax/Modem Transport Modes'' on page 179.

The corresponding global parameter is IsFaxUsed.
Enables the Digit Delivery feature, which sends DTMF digits of
the called number to the device's port (analog)/B-channel
(digital) (phone line) after the call is answered (i.e., line is off-
hooked for FXS, or seized for FXO) for IP-to-Tel calls.

[0] Disable (default)
429
19. Coders and Profiles
Global Parameter
Mediant 1000B Gateway & E-SBC