Tadiran Telecom Aeonix TGW SIP-PRI Series, User Manual, Page: 31 / 61

TGWxE1 G a te w a y S e rie s U s e r M a n u a l
Ta d ira n Te le c o m 5 - 9
If the calling number of a call is 88123, it conforms to the matching rule C1S88. Then, the deletion
rule D1S2 is applicable; that is, the first two digits of 88123 are deleted so that the calling number
88123 is translated to 123.
5.3.5 FoIP
Click Basic >FoIP tab to open the configuration interface.
Figure 5-6 FoIP Configuration Interface
Table 5-7 FoIP Configuration Parameters
Name Description
Both T.38 and T.30 fax services are supported. It’s recommended to use T.38 fax services.

For T.30, no other parameters need to be configured.

For T.38, parameters available are as follows
Jitter buffer
Set the extent of T.38 jitter buffer, and the default is 250. The valid range is 0 ~ 1000 in
milliseconds.
Receiving port for
FoIP
Set whether to open a new port when the gateway is switching to T.38 mode, and by default,
original voice port will be used.

Open a new port: Use the new RTP port;

Use original voice port: Use the original RTP port that created on call set.
ECM Determine whether to use corrective mode of fax. By default, it is not selected.
V.21 detection Choose whether to enable V.21 signal detection. The function is enabled by default.
Receive gain Set the receiving gain of T.38 fax, with the default of -6dB.
Transmit gain Set the transmission gain of T.38 fax, with the default of 0dB.
Packet size Set the packet size of T.38. 30 milliseconds is the default value.
Redundancy Set the number of the redundant frames in T.38 data package, default is 4.
5.4 ISDN
In case of full configurations, the TGWXE1 has one 4T1/E1 card, with four interfaces numbering ISDN1
to ISDN4 from left to right. You are recommended to set parameters corresponding to the interface