AudioCodes Mediant 1000B User Manual page 327

User's Manual
Parameter
Web: Remote Renegotiate on
Fax Detection
CLI: sbc-rmt-renegotiate-on-fax-
detect
[IPProfile_SBCRemoteReneg
otiateOnFaxDetection]
Version 6.8
at a constant rate (according to the coder's settings).

[0] Disable (default)

[1] Enable
Notes:

The jitter buffer parameters, 'Dynamic Jitter Buffer Minimum
Delay' (DJBufMinDelay) and 'Dynamic Jitter Buffer Optimization
Factor' (DJBufOptFactor) can be used to configure minimum
packet delay only when transcoding is employed.

This functionality may require DSP resources. For more
information, contact your AudioCodes sales representative.
Enables local handling of fax detection and negotiation by the
device on behalf of the SIP entity (to which the IP Profile is
assigned). This applies to faxes sent immediately upon the
establishment of a voice channel (i.e., after 200 OK).
The device attempts to detect the fax (CNG tone) from the
originating SIP entity within a user-defined interval (see the
SBCFaxDetectionTimeout parameter) immediately after the voice
call is established.
Once fax is detected, the device can handle the subsequent fax
negotiation by sending re-INVITE messages to both SIP entities.
The device also negotiates the fax coders between the two SIP
entities. The negotiated coders are according to the list of fax
coders assigned to each SIP entity, using the IP Profile parameter
'Fax Coders Group ID'.

[0] Don't Care = (Default) Device does not interfere in the fax
transaction and assumes that the SIP entity fully supports fax
renegotiation upon fax detection.

[1] Only on Answer Side = The SIP entity supports fax
renegotiation upon fax detection only if it is the terminating
(answering) fax, and does not support renegotiation if it is the
originating fax.

[2] No = The SIP entity does not support fax re-negotiation upon
fax detection when it is the originating or terminating fax.
Notes:

This feature is applicable only when both SIP entities do not
fully support fax detection (receive or send) and negotiation: one
SIP entity must be assigned an IP Profile where this parameter
is set to [1] or [2], while the peer SIP entity must be assigned an
IP Profile where this parameter is set to [2].

This feature is supported only if at least one of the SIP entities
uses the G.711 coder.

This feature utilizes DSP resources. If there are insufficient
resources, the fax transaction fails.
327
19. Coders and Profiles
Description
Mediant 1000B Gateway & SBC