Phone System integration?

Is there a way to link or integrate 2 separate phone systems? I have Shoretel phones with a Shoretel server in one office, and Cisco phones in the other. My goal is to make it so that any phone is reachable by just their extension, no matter which office is called...
nawright16Asked:
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Bryant SchaperCommented:
Yes, you will have to establish SIP trunks between the two devices, and associate dialing plans with the trunks.

We did this with Vertical Waves and Cisco CUCM
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José MéndezCommented:
This completely possible and very easy. In CUCM you just configure Route Patterns like "2XXX", so you know everything in the 2XXX range goes through a SIP trunk or an H.323 trunk or a to a MGCP gateway that could possible connect both PBXs. CUCM then sends the called number as 2345 for example, and the Shoretel receives that as the called number. SOmething similar should be possible the other way around.

Make sure that for inbound calls through the SIP trunk in CUCM, you have a Calling Search Space that will allow acess to the CUCM extensions/partitions.

Is this a setup you are currently working on? I may guide you through if you need.
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nawright16Author Commented:
I will be working on it this week, maybe next. Is there a setup manual or step-by-step guide you could point me to?
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