I'm working for a small service provider for 4 moths ago, they have a lot Cisco IAD serie 2400, the use 12.4 OIS and G729 as first code and g711 as second option, for years they customer has a lot of complain (Problems)
Now I'm working in this issue, for I do the follwing in 2 customer:
1. Upgrade to 15.1 for support SG3
A. Memory upgrade fron 128M to 256 in order to support the new IOS
2. Change the Dial-peer cnfiguration
A. Old Dial-peer
dial-peer voice 100 voip translation-profile outgoing outbound destination-pattern .T progress_ind setup enable 3 progress_ind progress enable 8 voice-class codec 10 session protocol sipv2 session target ipv4:x.x.x.x session transport udp dtmf-relay rtp-nte fax-relay ecm disable no vad
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How does the phone registered in CUCM environment?
-The phone will obtains power via PoE or AC adapter.-The phone will loads its locally stored firmware image.-The phone learns the voice vlan id via cdp from the switch.-Via...
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