IP Telephony and Phones

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Hi,  I configured BLF, which is working fine. But 8800 and 9800 Phones do present a # letter. 7900 (SIP ) present a handset icon.  Subscribe calling search space seems correct.   Did I miss a configuration part for the 8800 or 9800?   Attached is a S...

j.rebmann by Level 1
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Good afternoon, I have a client's CP-7841-9k phone with firmware version SIP78XX_10_3_1_12, and I need the latest update. They don't have a contract with Cisco, so they can't download the updates. Could you tell me how I can purchase the updates, sin...

edelben by Level 1
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Hi,I have been given on of these older phones.  I have successfully loaded the SIP firmware.  It is picking up its SEP<MAC ADD>.cnf.xml file.  Some questionsCan I use this as a standalone, i.e. without the need to fetch the config from the TFTP serve...

Hello,CUCM cluster 12.5.1 SU4.Upgrading the pub and sub nodes using the ciscocm.V12-5-1SU4_CSCvx83448_secure-ldap-fix_C0112.cop file, the whole procedure stuck in "Upgrade status: Installing".The upgrade was done via GUI.The procedure cannot be cance...

themizzz21 by Level 1
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Hello Community, I am currently facing an issue with DTMF signaling in my CUCM 12.5 setup involving a CUBE and an ITSP. When I make a call to the number 712022103, the DTMF tones are not being transmitted correctly. However, when I call 781484008 (fo...