VoIP Device IOT

Simply Objectives:
1. Register with system
2. A call B
3. B call A
4. Either end can clear down
Name Type Platform Tested Version Asterisk OpenIMSCore Comments
Express Talk Softphone WinXP x64 V4.03 Yes No Asterisk: Easy setup; worked first time.
OpenIMS: Had to change pcscf.cfg for loose routing of service-routes. Bug in App doesn't follow dialog routes! (causes hangup issues)
SJPhone Softphone WinXP x64 V1.65.377a Yes No Asterisk: Easy setup.
OpenIMS: Could not get a REGISTER to work. Believe it is because there is a "Unknown" on the from line that cannot seem to be changed.
E2831 Mobile Linux busybox image E2831_080131_STUN_REL.tar Partly Not Tested Uses. WLAN.
Unable to get phone to REGISTER, having to have software to get it working.
So far only able to originate calls.
DP-L110 Mobile Proprietary   Not Tested Not Tested  
MONSTER Softphone WinXP x64 V0.9.6 No Yes Asterisk: Won't register; fails as soon as it gets a 401???
OpenIMS: IMS Client works fine with IMS core (designed for it).
X-Lite Softphone WinXP x64
WinXP x32
V3.0 Yes Yes Excellent, just seems to work!
Mercuro IMS Client Softphone WinXP x64
WinXP x32
Bronze (Free) Yes Yes Client Will not start!, email from vendor confirms issue with 64 bit windows to be fixed in next release.
Asterisk: Works, Audio quality issues
OpenIMS: Works on x32, not very intuitive. Generally a bad experince
Pocket Talk Softphone WM6 V1.01 Yes Not Tested Asterisk: Works, but poor GUI can't type in details and the history is tiny!!!
Asterisk IPPBX Linux Centos   Yes Yes Asterisk: of course asterisk works.
OpenIMS: Working fine using ENUM to translate numbers to SIP URI's
Linksys SPA 2102 ATA Embedded V5.1.9 Yes Yes Asterisk: works great.
OpenIMS: Working fine using ENUM to translate numbers to SIP URI's
Sipura 3k ATA Embedded   Yes Not Tested Asterisk: works great.
eyeP Communicator Softphone WinXP x32 V7.3 Yes Yes Asterisk: worked first time, like the outlook contact integration.
OpenIMS: Worked, noted contact header missing closing >
PhonerLite Softphone WinXP x32 V1.70 Yes No Asterisk: Worked first time, GUI is very amateurish.
OpenIMS: Register fine, INVITE is rejected as user is not registered?? When it actually is!
SNOM 360 Softphone WinXP x32 V5.3 Yes Yes Asterisk: worked first time, love the GUI!
OpenIMS: Works, Noted missing closing > from the contact header.
Grandstream 286 ATA Embedded   Yes No Asterisk: works great.
OpenIMS: Not registering
JRComm 168s SIP Phone Embedded V1.38
V1.43
Yes No Asterisk: works great.
OpenIMS: Client does not obey ROUTE headers, REGISTER works but not INVITE.