Searching for Cucm T38 Support information? Find all needed info by using official links provided below.
https://community.cisco.com/t5/collaboration-voice-and-video/t-38-fax-over-ip-design-best-practices-questions-and-answers/ta-p/3116604
Let's assume the following topology: Telco - PRI - GW (T.38 and Passthrough as backup) - MGCP - CUCM CUCM has a VG224 registered as SCCP Passthrough and a fax server doing T38 What is the best way to set this up? ... has T.38 support and Voice GW VG224 also offers support for T.38. ATA187 does suppport T.38 but ATA 186 doesn't support T.38. Q ...
https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-border-element/115742-fax-modem-call-flows-00.html
Mar 31, 2014 · fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback pass-through <g711ulaw or g711alaw> fax-relay ecm disable fax-relay sg3-to-g3. ITSP - SIP - CUBE - SIP/H323 - CUCM - SCCP - VG224. VG224 needs to be an MGCP GW for this setup to work. NSE switchover is only specific to Cisco devices and providers do not support NSE based switchovers.
https://quickview.cloudapps.cisco.com/quickview/bug/CSCun81693
Nov 26, 2019 · Symptom: Fax Transmission Method: T.38 Protocol. Call Flow: Fax - VG2XX - mgcp-CUCM-sip-CUBE-sip-ITSP Fax call fails with Unacceptable media, during switch over. In this cal flow, Cisco call manager sends an mid-call INVITE with c=0.0.0.0 , m=image & attribute as sendrecv. Which is causing this interoperability issue. As CUBE will send it's own IP address while extending mid-call RE …
http://support.t38fax.com/support/solutions/articles/19000010941-cisco-spa112-2-port-phone-adapter
T38Fax.com is a T.38 Fax over IP (FoIP) service provider. We offer PSTN termination and origination (fax sending and receiving) over SIP trunks that have been optimized to offer extremely reliable faxing over WAN and LAN connections .
https://thefaxguys.com/all-about-rightfax-cisco-sip-faxing/
Mar 28, 2013 · All About RightFax Cisco SIP Faxing. March 28, 2013 By Fax Girl Leave a Comment. ... (formerly Cisco Unified Call Manager) and Cisco Unity Connection. ... RightFax supports direct integration to Cisco gateways or routers and Cisco Unified Communications Manager via the T.38 real-time FoIP standard.
https://www.xo.com/sites/default/files/inline-files/CiscoCUCMCube105ConfigurationGuide-12.pdf
The CUCM does not support fax directly. External devices such as a Cisco 2800 or 3800 series ISR running CUBE software, a Cisco 2900 or 3900 Series ISR G2 running CUBE software, a Cisco ATA187, or a CUCM SIP trunk to a Right FAX server can be used. The lab tested FAX pass through and T.38 FAX using a Cisco ATA187.
https://quickview.cloudapps.cisco.com/quickview/bug/CSCta12821
Dec 20, 2019 · Cisco Bug: CSCta12821 - CUCM does not support a 2nd mid-call t.38 Re-INVITE to switch to audio
http://benmorgan.com.au/blog/faxing-t-38-relay-mgcp-to-sip/
Sep 20, 2014 · This is an ISDN Gateway controlled via the MGCP Protocol through CUCM. However we don’t need to log into CUCM to allow the T.38 Fax Relay protocol. Enable T.38 Fax Relay Globally under the Voice Services VOIP Menu. (Config)# voice service voip (Config-voip)# fax protocol t38 ls-redundancy 2 hs-redundanyc 0 fallback passthru g711alaw
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