I know this is an old post. However, its still live on here and searchable. We recently installed the Cisco IP Phone Loud Ringer Made by CyberData. They also make an external SIP Tannoy system that registers direct to Call Manager. The AMP is driven ...
Although this actual post is old, the question and topic is not. I think CyberData and Commend are the 2 best solutions for Cisco. CyberData for example carry direct certification. Commend offer a large range of Cisco IP Intercom Systems. Having inst...
I supplied a SIP panic button recently, that integrates to CUCM, registers to Call Manaager as an approved 3rd party sip extension.http://www.ientrysystems.co.uk/product/voip-sip-panic-button-emergency-ip-call-button/
Great article, there is now a new range of cyberdata singlewire informacast enabled IP Intercoms. I found some here through this UK supplier. www.ipagingsystems.co.uk The Intercoms double as a paging ip speaker that accept SIP and Multicast.
Quite simple, register a Cisco Certifed Intercom to call manager. Set a DTMF (Dual Tone Multi Frequency) code. For example 321. I bought a Cisco approved Intercom recently. You can dial into the Cisco IP Phone Network and any Cisco Phone can control ...
