Dear Sir/ Madam, My client is using Asterisk based telephony system. He has 300 concurrent users with two PRI Channels. He is requesting to add the intercom feature in his phones. Can you assist me please doing that? I would appreciate your kind responds. Best Wishes, Dania Abu Asi Sales Executive Engineer Future Trends Establishment Abu Dhabi - U.A.E. Mob : +971 50 4948363 Off : +971 2 6730666 Fax : +971 2 6734888 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20141007/e3f4bfee/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 14367 bytes Desc: not available URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20141007/e3f4bfee/attachment.png>