SIP Trunking

SIP Trunking by Christina Hattingh; Darryl Sladden; A. T. M. Zakaria Swapan

Mcgraw-Hill Forouzan Networking Ser.: TCP/IP Protocol Suite by Behrouz A....

SIP Trunking - Hardcover, by Hattingh Christina; Sladden Darryl; - Acceptable

Networking Technology Ser.: Network Security Architectures by Sean Convery ...

Networking Technology Ser.: Traffic Engineering with MPLS by Eric Osborne and...

The Morgan Kaufmann Series in Networking Ser.: Communication Networking : An...