It has been found that with some phones (mainly Uniden) there is an extensive delay before the caller ID is displayed on the phone. The delay can be minimised by changing the Ring Pattern in the VoIP settings.

Ring Pattern 4 usually gives the fastest response. See test results below:

Mynetfone  Uniden(Port 1)  Panasonic(Port 2) 
Ring pattern 1 9 seconds 5 seconds
Ring pattern 2 6 seconds 4 seconds
Ring pattern 3 Does not ring 3 seconds
Ring pattern 4 4 seconds 3 seconds
Ring pattern 5 6 seconds 4 seconds
Ring pattern 6 Does not ring 4 seconds

 

Iptel  Uniden(Port 1) Panasonic(Port 2)
Ring pattern 1 9 seconds 5 seconds
Ring pattern 2 6 seconds 3 seconds
Ring pattern 3 Does not ring 3 seconds
Ring pattern 4 4 seconds 3 seconds
Ring pattern 5 6 seconds 3 seconds
Ring pattern 6 Does not ring 4 seconds

Phones Used: Uniden DECT phone Model: DECT2015

Panasonic DECT phone Model: KX-TG1855AL