Hello, I manage a network consists of 29 cisco catalyst platform 4507, 2960, 2950, under a VTP domain, is being implemented voice over IP and I have problems with the network to be set up for that purpose.
The solution is the manufacturer for ericsson and have phones with port SW, computers that connect to this port left in the administrative network but the voice does not reach its VLAN, I have tested with this command swport voice lvan (the number of the voice Vlan) but not yet achieving the transit of voice packets.
Ericsson IP Phones can use Voice VLANs and it can all be automatic, you do however have to 'provision' things. Out of the box an Ericsson IP Phone will use DHCP and request Vendor Option 43 to discover the Voice VLAN. Your DHCP Server needs to respond with Option 43 which can tell it the Voice VLAN Tag and the Software Server IP address where it's configuration file is held (you can also optionally use Option 43 to tell the Phone its Telephony Domain Name, a Proxy Server IP Address and Proxy TCP Port no).
If you have access to the Ericsson ALEX documentation it is all detailed in there.
We are pleased to announce availability of Beta software for 16.6.3.
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