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How does Shoretel phones register with Voice Vlan?

Apr 22, 2017 05:11 PM PDT
Rick Yin
ZT Systems - HQ
What's the mechanism that allow Shoretel phones to register with the voice Vlan on the (Cisco) switch?
Apr 24, 2017 06:50 AM PDT
Tim Hall
Digicorp Inc
Option 156 setup on the VLAN's should get the phone over to the Voice VLAN but that is going to be through the DHCP server to do that.
Apr 25, 2017 06:13 AM PDT
Patrick Frigon
TBL Telecom Inc
ftpservers=ip_address, country=n, language=n, layer2tagging=n, vlanid=n Where  ip_address is the IP address of the ShoreTel Headquarters server.  n in country=n corresponds to the country number in Table 13.  n in language=n corresponds to the language number in Table 14.
Apr 27, 2017 08:01 AM PDT
Jonathan Haase
Lamm Technical Resources LLC
Also just a side note you need to make certain that the DHCP options are setup in *both* VLAN's DHCP scopes.
May 10, 2017 02:43 PM PDT
Rick Yin
ZT Systems - HQ
Jonathan, do you mean both data vlan and voice vlan?
Jul 21, 2017 01:54 PM PDT
Damian Galindo
Global CTI Group
Yes. Option 156 should be present in the native(untagged) and tagged DHCP scopes. If the tagged scope has different setting the phone will reset again and it can start to loop.

For IP400 series phones also include "configservers="

Example option 156 for voice vlan of 200. Director IP = configservers=,ftpservers=,layer2tagging=1,vlanid=200,language=1,country=1

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