Outbound Voice¶

How to Connect¶
Please find the IP addresses and port numbers used for the Inbound Voice service in the table below.
Server | IP | SIP Port | RTP Port |
Primary Voice Server (SIP+RTP) | 93.158.78.148 | 5060 | 10 000 - 20 000 |
Secondary Voice Server (SIP+RTP) | 93.158.78.149 | 5060 | 10 000 - 20 000 |
DTMF Support¶
Our Voice services support RFC2833.
Media Codec¶
Our Voice services support G.711 a-law codec.
SIP Requests¶
We support the following SIP requests: INVITE, ACK, CANCEL, BYE, PRACK, OPTIONS and UPDATE
Session KeepAlive Timer¶
The timer indicates the times in seconds that an active session (call) must be refreshed (by UPDATE or re-INVITE) in order to guarantee that the endpoint is still operational and is not downed. The timer is set to 1800 seconds.