Off late we have been facing problems using our IP phones. It was working absolutely fone all these days.
The setup is such that we have few branch office locations spread across different cities which are connected through a secure IPsec VPN tunnel over the internet.
The problem we've been facing now is, whenever we call the branch office or they call the main office, we hear the ring tone and when we pickup either end of the people are unable to hear anything. Immediately if you disconnect and call again it works fine. This happens quite often for different different extensions at different different locations. We use static IP addressing. The Meridian option 11c our Epabx is setup in the main office.
Any clues why this could happen??
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I and 2 of my colleagues were losing quality for this fone during use. I then downloaded the driver again from the Philips website and....voiala......sorted. All 3 fones now operational and great quality reception. Seems there is a problem with Vista and the CD issued with the fone.
Try to login manually from the avaya not from the computer. it will log you in. but you might also need to check with your CCO (call center operation desk) and which software you are using to log in and check if you have an outside access, if its still not working submit a trouble ticket at your company's website. reinstalltion the application will not work if the access is not there. avaya are very safe phones and i am also using the avaya 4620sw ip phone. it happens sometimes when you login using the softphone but try to login using the hard phone. it should log you in, but will it solve the purpose. you need to check. All the best.
Looks like connectivity issue, so it can be wi-fi dongle. If any other pc/laptop has wired internet connection Or if you can wire-connect present pc/laptop then you can test using skype from it. If it works fine then wi-fi dongle maybe the culprit.
Also there are many sites for testing internet connection speed etc. Test your internet connection using the dongle.
I had this same problem... If you use Microsoft Outlook for emails, then this might be the solution: Open Skype and click on View, and untick the 'Show Outlook Contacts'.
Hopefully this will cull the list of contacts and will enable the Philips voip phone to view contacts again... Perhaps it's because the Outlook contacts are vCards - something which the Philips phone can't recognise?
With a laptop, when walking around, you don't notice any problem because when a data packet is lost the network send you another one and the user don't feel it.
With voice it is more sensitive because, if you loose a voice packet the user notice it right away (the call drops or you here a click or something). When walking around with your phone, your network must be "smart" enough to understand it and "pass" the call to next AP.
I use the Meru Networks solution system. In this case there is a box call controller in the network that is responsible for "passing" the call to the next AP without the user even noticing a drop in the call.
Hope this help (and sorry for my English)