Getting the Most Out of Your Migration to SIP Trunking

As part of the migration to an all IP infrastructure, more enterprises are adopting Session Initiation Protocol (SIP) trunking, using it to replace expensive legacy and Integrated Services Digital Network (ISDN) trunk lines for voice service. SIP has become VoIP) protocol of choice for signaling, providing significant improvements over legacy IP protocols and Time Division Multiplexing (TDM).

SIP trunking offers companies easier infrastructure integration and management as well as increased scalability. In addition, enterprises receive significant cost savings on infrastructure as well as local and long distance charges, rapid development and access to new services that leverage the flexibility of SIP, simplicity of running multiple services (voice, video, and data) over the same trunks, and better integration with the enterprise’s other business applications.

A recent poll of nearly 400 participants revealed that more than 62% had already deployed SIP trunks or were planning on deploying SIP trunks during the next year1. In addition, according to separate research, 50% of SMBs are using or evaluating SIP trunking2.

However, while there are significant benefits to SIP trunking, adopting this relatively new technology is not without challenges. Both service providers and enterprises need to make sure that any issues are resolved before they affect their customers’ quality of experience. Therefore, it is crucial that organizations utilize comprehensive testing and monitoring solutions to assure that any problems are discovered and handled
quickly and effectively.

A new white paper by Emprix, Getting the Most Out of Your Migration to SIP Trunking,
outlines the benefits and challenges involved in migrating to SIP trunking and provides guidance on how best to maximize the return on investment in a SIP trunking environment.

1Acme Packet SIP TrunkingWebinar, No Ji6er, June 24, 2009,
2SIP Trunk Adop5on Ahead of SIP Security Adop5on, Nemertes Research, Spring, 2009,

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