Here you find some test results of SRV based failover. Please extend this page with your test results:

bad clients:

- eyeBeam 1.1 3004w stamp 16863
uses first SRV, no failover, ignores ICMP (retransmissions)

- eyeBeam 1.1 3010n stamp 19039
uses first SRV, no failover, ignores ICMP

- ser 0.8.12
uses first SRV, no failover, ignores ICMP (retransmissions)

- Asterisk CVS-HEAD-04/04/05-13:06:02
uses any SRV, no failover, ignores ICMP (retransmissions)

- Windows Messenger 5.1 (5.1.0639), RTC API RTC/1.3.5369
uses first SRV, no failover, processes ICMP (no retransmissions)

- Cisco 5300, IOS 12.3(10)
uses first SRV, processes ICMP (1 retransmissions), failover to A record

- Grandstream GXP-2000, 1.0.1.12
uses first SRV, no failover, ignores ICMP

- Grandstream BR-102, 1.0.6.7
uses first SRV, no failover, ignores ICMP

good clients:

- Snom 200 3.56r
processes priority, failover, processes ICMP (no retransmissions)

- Snom 200 3.56z, Snom 360 softphone 5.3
processes priority, failover after some time, does not processes ICMP on UDP (TCP not tested)

- Cisco 7960, POS3-06-2-00
processes priority, failover, processes ICMP (no retransmissions)

- Cisco 7960, POS3-07-5-00
processes priority, failover, processes ICMP (no retransmissions)

VoIP Providers Supporting SRV Records

- OnSIP SIP Hosting - Free SIP hosting by OnSIP Hosted PBX allows you to host your SIP domain at Junction Networks by editing your domain's SRV record to point to the OnSIP SIP proxy.