IP Telephony and Phones

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Hello, We are currently using a Be6000 system and when we schedule a call forwarding on our phones (model 7945) to external numbers, it works perfectly when the original call comes from an internal position, but when it is an external call then this ...

call forwarding.png
Translator by Community Manager
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I am starting to configure a 2921 with an ISM for voicemail.I've configured as follows, but telnet and ssh advises that the connection is refused:RTR#ssh 192.168.4.5% Connection refused by remote hostconfiguration that i have added:interface ISM0/0 i...

ashleyisa by Level 1
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After a power failure at a site the cisco phones is giving the following message" Link down limited functionality"I have checked the config and also checked that the WAN links were up. Restarted the Gateway and the phones and still getting the same m...

Dears,i need in help in making the bill of materials for IP telephony system 1- The system will be provided to serve approximately 20,000 endpointsinitially and will be capable of serving a minimum of 25,000 endpoints.2- 2,400 trunk lines E1 or SIP3-...