Specifications

IP Office Product Description

IP Office 4.2

Page 148

Issue 18.b.- (08 July 2008)

Option 4: Connection to the ITSP through a router equipped with an Application Level Gateway (ALG) which

transparently resolves all NAT issues.

For details on SIP ITSPs which have been tested by Avaya, please see the Technical Bulletin for the IP Office

4.0 release and/or IP Office Knowledge Base at http://www.avaya.com/ipoffice/knowledgebase.