Voice VLAN over Telco Bridge

20 pts.
Tags:
IP phone configuration
Knowledge Point Challenge
SIP
VLAN
VoIP
I have two vlans going over a Telco Bridge to 5 locations each with one SIP Phone. The main location has an shdsl of 2mbs and each location has a speed of 512kbps. I can't get all locations to work together only 2 locations at a time. What could be the problem? Any help is welcome.

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We have no QoS enabled… That’s a problem we would have to address…The question remains if this is a technological limitation where this type of setup is not able to provide this type of service?

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From the description in your question, I’m assuming this is an IPsec VPN through the internet that utilizes each site’s primary DSL connection. VOIP communications are possible with this type of connection, but the first thing that comes to mind is QoS.

Your two Vlans are probably Voice and Data, but a Vlan will not guarantee that voice packets get the bandwidth and priority that are required.

I’m making a lot of assumptions about your setup, but I think you should look into setting up QoS.

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  • ITKE
    This question has now been marked with a 100-Knowledge Point bonus. Contribute a helpful answer to this question and we’ll add an additional 100 Knowledge Points to your account. Thanks!
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  • mshen
    How is your QoS setup? And what happens when you pickup the third phone, do you get a dial tone?
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  • JennyMack
    Hi there, Mshen, congrats... I'll add 100 Knowledge Points to your account for answering. JDirksen, could you let me know if Mshen's most recent answer helped you with your question? If not, I'll leave it open to another 100-point bonus to help you get an answer. Thank you, Jenny Community Manager
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