UPDATE: 3CX version 18 has discontinued Exchange voicemail support. The steps outlined in this article will enable 3CX v18 to work with Exchange UM voicemail! The Problem A client needs to be able to use two different voicemail systems simultaneously on the 3CX phone...
Had an issue with an IP fax server (RelayFax with a Dialogic SR140 connecting via SIP trunk to an Adtran SBC) where inbound faxes were working fine and using T38 but outbound faxes were never negotiating T.38 and falling back to G.711 passthrough. As a result we were...
To perform a packet capture directly on an Adtran device do the following: ip access-list extended CAPTURE permit ip any host 1.2.3.4 permit ip host 1.2.3.4 any Where “1.2.3.4” is the IP that you want to watch. Then run debugging on that ACL: debug ip...
These are the steps to setup Lync 2013 to work with Enterprise Voice through a Cisco router running CME (CallManager Express) or an Adtran 7000 router like the NetVanta 7100. From the Lync Topology Builder open your site, Shared Components then right-click on PSTN...