sundance-communications.com/forum Forums TDM Business Telephone Systems Samsung Telephones & Systems SIP phone Interoperability

Has anyone here configured sip phones for use on Officeserv systems much?

I am having an issue with the in/out group function with 4 digit station groups. I'm trying to use the 53+staion group#+0 to log out of the group. Works fine from a digital, IP, or SLT, but for some reason the sip phone won't do it.
It works with 3 digit station groups.

I though it might be because it results in a 7 digit string, so I tried changing the feature access code to *53 and had the same effect. I also tried changing it to just one digit. Same result. tried changing the station group to 6000, again same result.

Very wierd.

Sounds like your dial plan in the sip phone(s) isn't correct.
Most likely not enough digits for a 4 digit station group

I thought that, which is why i changed the feature code to only be the number 6. That reduced the string length to 6 digits with a 4 digit station group. and that still didn't work. 6 digit with a 3 digit station group works as does 5 digit with a 3 digit station group.

I am just using the default dailing plan on the GS phones which allows full lcr +10 and 11 digit dialing so total length isn't an issue. I can directly dial a 4 digit station group or extension so that seems to be fine.

When you say 'GS' phone, can I guess you're using Grandstream phones? Some of the default config settings on these phones are set to make it easier to use with a Grandstream UCM. Default station numbers out of the box fall between 1000 and 5000. Your access code , with a leading 53, falls out side what a GXP series phone is expecting. Try setting the leading digit to a 6 or 7.

Good suggestion, no joy though. I changed the station group to 6001 (after changing all the forwarding feature codes to start with a *) and it did the same thing. It seems to be something happening with a 4 digit station code..... Wierd.

Have you done a wireshark trace to see what the phone is actually sending the system when you dial the code?

I spoke to another guy who I think had the same issue? He dropped to 3 digits and it worked if it was the same issue? It was with GrandStream phones though.

Try adding the string you want to dial as an Physical Multi-purpose Key. I think the MPK will bypass the dial plan restriction.

Where do you set up the station info for 3rd party sip station on the OS 7000 series?

@btil

If your system is licensed for it, it is in the SIP information section. Works pretty similarly to the itp information configurations.