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47) Resource unavailable, unspecified disconnection cause for both side call via SIP - Cisco Community
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47) Resource unavailable, unspecified disconnection cause for both side call via SIP - Cisco Community
REFER throwing `481 Call Leg/Transaction Does Not Exist` · Issue #6 · sippy/go-b2bua · GitHub
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VoIP/SIP 481 Call Leg/Transaction Does Not Exist (AUD-560) · Issue #209 · espressif/esp-adf · GitHub
SIP calls drop after 15 minutes in Branch office. Re-Invite not propagated by Carrier - Cisco Community
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REFER throwing `481 Call Leg/Transaction Does Not Exist` · Issue #6 · sippy/go-b2bua · GitHub
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Lync 2013 and Office 365 voicemail calls failing with 481 call leg does not exist – irrationale
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SIP 481 error code - Cisco Community
Cannot tranfer PSTN Skype calls: sip 481. Cal Leg/Transaction does not exist
VoIP/SIP 481 Call Leg/Transaction Does Not Exist (AUD-560) · Issue #209 · espressif/esp-adf · GitHub
Clarifications on refer attended - Asterisk SIP - Asterisk Community
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Lync 2013 and Office 365 voicemail calls failing with 481 call leg does not exist – irrationale
