Does RingCentral support calls to 3rd Party SIP URIs?

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I have a customer who uses RingCentral for their office phones.  However, a couple offices within their building are being leased out to another firm, who does not use RingCentral.

I am wondering if it is possible to get a RingCentral phone (specifically a Polycom VVX410) to call a 3rd party SIP URI so I can allow the receptionist for the main office to contact one of the phones in the leased offices directly.
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Brad Faler

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Posted 2 years ago

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RC-Installer, Champion

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Brad, why cant you just dial the number of the phone?

I am missing something that does not make sense.

What is a URI.  Sorry for the question I dont know what that is

Thank you

Chuck
Certified RC Installer
Chuck@yoritguy.com
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Brad Faler

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Chuck,

The issue is that the phone itself does not have a DID number assigned to it.  I can certainly just make the reception phone call the firm's phone number, but then she will have to navigate through the other firms virtual attendant system to reach the phone.

A SIP URI is an address like this: sip:123456@your.voip.provider

More information here: https://en.wikipedia.org/wiki/SIP_URI_scheme
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RC-Installer, Champion

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Got it, thank you for explaining.  So from a RingCentral phone you are asking if there is some way to initiate a call directly to that other SIP device and have the phone ring?  Are they all on the same network?  I know some IP phones could call others by IP address.  Sort of like intercom bypassing Telco.  I  have not tried this but the other phone would have to be accessable from the outside right? If they are not all on the same network.

time to get the other guys on RC...  LOL

Would the other system support such a call? even if RC could do it or you could do it from the RC phone?

Chuck
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Brad Faler

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Unfortunately, the networks are separate as well, so I can't just do an straight IP to IP call easily.

I can make the other phone reachable directly via a sip uri at no additional cost through their provider, but there will be some cost if I have to assign a DID to that line.  Which is fine if thats what we need to do, but I thought I'd shoot for the no cost alternative first.

I can certainly just try to assign one of the buttons on the phone to the uri and see what happens, but I figured it wouldn't hurt to ask first!
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Brandon, Champion

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This shouldn't have anything to do with RingCentral directly except for the fact that if you are using a phone purchased from RingCentral it will be locked down and have URI calling disabled.  

If you own the Polycom though you can request the admin password and do with it as you wish.

Are the other phones on the same LAN? You may find this difficult to do SIP URI dialing through NAT and internet..
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Brad Faler

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I got to thinking the same thing a few minutes ago (specifically that RingCentral shouldn't even have to be involved in that type of call).  

I'll have to check what the status of the phones purchased from RingCentral are, and go from there.
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Mike, Official Rep

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Hi Brad, 

When a phone is purchased from RingCentral, it will be assigned to a specific Digital Line in the account and locked down.  The phone can only be unlocked under a few circumstances for warranty reasons.  If you would like to pursue this, you'll probably want to give us a call  800-921-4302 and inquire.  If necessary we have Sales Engineers that can assist. 

Mike