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Author Topic: Nortel 5520 switch , cisco phones and free pbx  (Read 824 times)

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Offline spongeBOB

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Nortel 5520 switch , cisco phones and free pbx
« on: May 05, 2018, 09:04:50 AM »
help i'm trying to configure a nortel baystack 5520 switch with cisco ip phones (converted to SIP) and free pbx and i just can't figure out how to get them to work together or if there is even a way to get them to work together


Offline novice

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Re: Nortel 5520 switch , cisco phones and free pbx
« Reply #1 on: May 03, 2019, 03:29:20 PM »
I hope you have found an answer. BTY most Cisco ip phone are non sip based and usually only work with Cisco Call manager.
At high level you need to enable
- PoE on the ports connecting to ip phones.
- Enable lldp if you are link switch port to an ip phone and then ip phone to a host
- configure ip for voice vlan
- configure dhcp request  forwarded to the dhcp server. (free pbx box or saperate dhcp box)
- configure Dhcp parameters and DHCP options returning sip gateway ip address.

Thanks
« Last Edit: May 03, 2019, 03:51:00 PM by novice »