| 摘要 |
In one embodiment, a method includes receiving, at an IP PBX, a SIP INVITE request comprising a Request-URI field identifying a URI of the IP PBX and a header field identifying a target DID number. The method also includes identifying a URI corresponding to the target DID number and forwarding the SIP INVITE request with a Request-URI field identifying the URI corresponding to the target DID number. |
