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Aastra 4425 IP SIP

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deGoyan

deGoyan

Technical User
Aug 27, 2020
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HI!

Sorry for my English.

I have several phones Aastra 4425 ip, and Asterisk.
Can this phones work with SIP protocol?
 
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Hi, only the version 2 of this phones can use SIP protocol.
Good Luck.
 
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