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1551
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5
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Force SRST on phone

balitewiczp
Level 2
Level 2

have an access list blocking tcp port 2000 on a switchport to force the phone into srst mode. Voice GW is still under mgcp / cm control. Phone says "opening x.x.x.x" IP address of VGW. Has anyone ever done this

1 Accepted Solution

Accepted Solutions

Brandon Buffin
VIP Alumni
VIP Alumni

Blocking port 2000 at the switchport means that SCCP traffic can also not get from the phone to the SRST gateway. You'll need to block SCCP across the WAN.

Brandon

View solution in original post

2 Replies 2

Brandon Buffin
VIP Alumni
VIP Alumni

Blocking port 2000 at the switchport means that SCCP traffic can also not get from the phone to the SRST gateway. You'll need to block SCCP across the WAN.

Brandon

Thanks for the info. I changed my access list to block only to destination address of cm's. now its registered to srst router. thx

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