Fax Relay T.38

Note that settings are fixed and are not configurable.

Table 1. Fax support and settings

Max T.38 sessions

128 simultaneous sessions if only running T.38 sessions in MSP.

Supported fax signals.

V.21, V.25 and V.8 (Preamble/flags, CED, Ans and ANSam)

Table 2. T.38 Fax Configuration data used in MGU3

TCF Procedure:

Remote TCF, the TCF data is passed across the IP network in the same way as any other page data.

Redundancy:

Allow ECM faxes in T.38.

No maximal speed limit negotiated:

No speed limit.

Redundancy count for T30 messages:

Total 7 counts.

Redundancy Count Page Data

Total 7 counts.

ECM faxes in T38:

ECM Allow.

T.38 Packet loss concealment:

No T.38 Packet loss concealment

Small ECM packet handling:

Enable small T4 ECM packet instead of waiting for complete HDLC ECM frame.