turn off ECM right? and I feel like this configuration works best for passthrough correct?
when would one go to T38? can it go T38 with this type of call flow? Telco - PRI - GW - MGCP - CUCM - SIP - ATA187 - Fax/Modem <https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-border-element/115742-fax-modem-call-flows-00.html#anc7> except our ATA s are 190 and 191s On Tue, May 8, 2018 at 9:35 AM, Ryan Huff <[email protected]> wrote: > Set the TX/RX rate at 14400 kbps and turn ECM. I would do that at the > machine level first, and/or the dial-peer level second. > > Sent from my iPhone > > On May 8, 2018, at 12:17, Jonatan Quezada <[email protected]> > wrote: > > we are finding that after our sip cutover, that our faxes are happiest > signalling over a T1 connection that originally we were trying to get away > from, however trouble shooting was terrible and we are moving past having > all voice traffic on the SIP trunk. > > Currently we are signalling for voice( calls ) only on the trunk and fax > traffic can come in and out via that T1. > > My question is , still every so often we are seeing fax drops and > incomplete page transmissions. > > looking at the controller the interface is solid no slips and seems to > negotiate the connections just fine. but again every so often there are > drops or sending fails altogether. > > We are wanting to try limiting the transmission rates but on the ATA190 > and 191s you cannot rate limit on the device. It sounds like this needs to > done at the dial peer level. if so what is the best starting configuration > for the dial peers that will handle on ly fax and go out a certain gateway > that has the T1 on it? > > https://www.cisco.com/c/en/us/support/docs/voice-unified- > communications/unified-border-element/115742-fax-modem-call-flows-00.html > > Im looking at this call flow > > Telco - PRI - GW - MGCP - CUCM - SIP - ATA187 - Fax/Modem > <https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-border-element/115742-fax-modem-call-flows-00.html#anc7> > > except the ATAs are 190 and 191s > > If we go the dial peer route, since the DID are not contiguous I will need > a dial peer for each one huh? > > > > > > > > > -- > For immediate assistance please reach out to Chemeketa IT Help Desk at > 5033997899 > -or- > Visit the help center from your employee dashboard found here: > *https://dashboard.chemeketa.edu/helpcenter/default.aspx > <https://dashboard.chemeketa.edu/helpcenter/default.aspx>* > > > Johnny Q > Voice Technology Analyst - TelNet > Chemeketa Community College > [email protected] > Building 22 Room 131 > Work 5033995294 > Mobile 9712182110 > SIP 5035406686 > > _______________________________________________ > cisco-voip mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/cisco-voip > > -- For immediate assistance please reach out to Chemeketa IT Help Desk at 5033997899 -or- Visit the help center from your employee dashboard found here: *https://dashboard.chemeketa.edu/helpcenter/default.aspx <https://dashboard.chemeketa.edu/helpcenter/default.aspx>* Johnny Q Voice Technology Analyst - TelNet Chemeketa Community College [email protected] Building 22 Room 131 Work 5033995294 Mobile 9712182110 SIP 5035406686
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