One Way Transmission Avaya S8700

bevanpmiles · November 11th, 2005, 02:37 AM

Hello

I was wondering whether anybody had experience with the one way transmission and Avaya VOIP. We have six sites from Ireland to India and they are all experiencing some from of lost voice. Its about 5% of our total daily call volume

Any help or advice with this would be greatly appreciated.

Thanks in advance

B

ajaynegi · November 11th, 2005, 10:13 AM

If you are using g700/g350 gateways, check if the ip route is set properly for the voip. If yes, you may check the firmwares on the voip or medpro. Finally a sniffer trace shd be helpful in determining the issue.

Ajay

DHQ · November 11th, 2005, 05:15 PM

Check your firewall settings. You may be blocking some critical port, either between the sites or between VLANs. This can give you weird problems like "I can hear you fine are you sure you can't you hear me?"

fataldata · November 14th, 2005, 07:00 PM

I had a one way transmission issue when performing NAT. Found that you would need application level firewall to be able to use NAT. Use a sniffer on both ends of the connection if possible, verify the IP's and ports are correct.
For clarification are you getting one way transmission or 5% packet loss?

bevanpmiles · November 16th, 2005, 06:34 PM

Thanks for your help with this.

November 11th, 2005, 02:37 AM	#1 (permalink)
bevanpmiles Join Date: Nov 2005 Posts: 2	One Way Transmission Avaya S8700 Hello I was wondering whether anybody had experience with the one way transmission and Avaya VOIP. We have six sites from Ireland to India and they are all experiencing some from of lost voice. Its about 5% of our total daily call volume Any help or advice with this would be greatly appreciated. Thanks in advance B

November 11th, 2005, 10:13 AM	#2 (permalink)
ajaynegi Join Date: Nov 2004 Posts: 20	Re: One Way Transmission Avaya S8700 If you are using g700/g350 gateways, check if the ip route is set properly for the voip. If yes, you may check the firmwares on the voip or medpro. Finally a sniffer trace shd be helpful in determining the issue. Ajay

November 11th, 2005, 05:15 PM	#3 (permalink)
DHQ PBXtech SILVER 25+ posts Join Date: Mar 2005 Posts: 30	Re: One Way Transmission Avaya S8700 Check your firewall settings. You may be blocking some critical port, either between the sites or between VLANs. This can give you weird problems like "I can hear you fine are you sure you can't you hear me?"

November 14th, 2005, 07:00 PM	#4 (permalink)
fataldata PBXtech PLATINUM 300+ posts Join Date: Jul 2003 Posts: 315	Re: One Way Transmission Avaya S8700 I had a one way transmission issue when performing NAT. Found that you would need application level firewall to be able to use NAT. Use a sniffer on both ends of the connection if possible, verify the IP's and ports are correct. For clarification are you getting one way transmission or 5% packet loss? __________________ Systems In Use: S8700 CM3.0 and S8710 CM3.1.1

November 16th, 2005, 06:34 PM	#5 (permalink)
bevanpmiles Join Date: Nov 2005 Posts: 2	Re: One Way Transmission Avaya S8700 Thanks for your help with this.

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