You may find this article useful in configuring your phone.
Sometimes there are minor differences of how to configure from one VoIP provider to another. So, it may be helpful to know who your VoIP provider is that you are configuring it with.
For example, CallCentric requires the additional configuration of Auth ID as well as UserName. But, your VSP appears to not use that info for registration (some providers require this; some don't). In the case of CallCentric, Domain, Alt Domain, and Outbound Proxy would all use the same entry; i.e. callcentric.com. In this case, no IP address is required, just the domain/proxy names (IP addresses are looked-up using DNS lookup). So, again it just depends on your VSP as to whether they accept domain/proxy names, or an explicit IP address. Also, Callcentric requires the setting "Use DNS SRV" be set to "YES". But, not many VSP's require this setting. So, this may not apply to your VSP settings. (they would specify, if required).
If you still have problems, more detailed information about your VSP, your LAN, and your Router may be needed.
My Voip provider (BT) are not very helpful due to the fact I have "third party" equipment. I have spoke to a couple communication engineers and they are very reluctant to come and help set up the phones so looks like im going solo.
I have inputted the data provided by the with regards to the EXT1 page I have inputted the data in correctly (I think)
When the phone restarts it says "Initializing Network then "Checking DNS" and doesnt dissapear I presume the DNS settings are not correct but what details do I input and where?
Make sure you have enabled "Use Outbound Proxy" to "YES".
Unless BT instructed otherwise, make sure "Use DNS SRV" and "DNS SRV Auto Prefix" are both set to "NO".
Unless BT instructed otherwise, make sure "Auth ID" is blank, and "Use Auth ID" is set to "NO".
I might also suggest you set:
NAT Mapping Enable to Yes.
NAT Keep Alive Enable to Yes.
I have seen the "Checking DNS" message not dissappear in the past, but I can't quite remember the cause and cure I found for it, at that time.
As far as DNS server settings, I have been using Google DNS for years with good results. I set my devices with the following manual DNS servers:
Primary DNS: 188.8.131.52
Secondary DNS: 184.108.40.206
Then, set DNS Server Order to either: "Manual" or "Manual/DHCP"
If you continue to have problems, I might suggest you make sure you are running the latest firmware version in your phones. I explained how to update firmware in the SPA504G in this blog post a couple years ago:
HI Recently I have perched 10 Cisco SG350 28 port gigabit poE switches for my running project . I would like to create my data and voice vlan in the same port where the PC will connect with the phone set.i configured my Dhcp on mikrotik cloud core ro...
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This document is attempt to recreate content of original document created by famous @Patrick Born. Cisco has considered to destroy such valuable document for an unknown reason.Cisco SPA series phones and ATAs can use certificate-authenticated HTTPS (SSL) ...
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