Configure Fax Voip Softphone with VoIP Service Providers

To make voice calls and to use other voice functions, such as sending audio messages, it is enough to configure Fax Voip Softphone to operate with any SIP or H.323 service provider.

When sending and receiving faxes over VoIP, it is strongly recommended to use VoIP service providers with T.38 support. T.38 - the most reliable standard used to transmit faxes over VoIP in real time. Isolates from the delays, timing jitter, and packet loss experienced in VoIP networks.

Below you will find examples of VoIP (SIP) providers that support T.38:

• Configure Fax Voip Softphone with Callcentric
• Configure Fax Voip Softphone with babyTEL
• Configure Fax Voip Softphone with T38FAX
• Configure Fax Voip Softphone with MondoTalk

With Fax Voip Softphone you also can send/receive audio faxes (fax over G.711 codec). This can be used with VoIP providers that don't support T.38 but provide good-quality voice channel. See example below:

• Configure Fax Voip Softphone with DellMont (Betamax) providers

Notes

• Before doing settings, it is desirable to get acquainted with the general information that you can find in the Configure SIP Line chapter of this user manual.