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9. SIP Trunking Challenges and Solutions. Presented by Doug Sauder, Broadsoft

SIP Trunking presents unique challenges, due in part to the fact that an application server in the service provider's network and a PBX in the enterprise's network are both intelligent call processing platforms. Because these platforms communicate using SIP, the solution to these challenges must also be a SIP solution. While the SIPconnect recommendation provides solutions to some basic problems, additional challenges remain in the realm of redundant network routes, as well as cooperation for such basic services as Call Forwarding and Attended Transfer. This presentation surveys these challenges, proposes SIP solutions, and suggests additional challenges ahead.