488 is supposed to means that there is no media compatibility. There are several reasons for getting a 488: the most common you have no common codecs. Check first that you have opus supported and configured on your asterisk.

2016年6月16日 · Both calls hit the same voice router (15.2(4)M2) and I'm not that good reading SIP debug yet but I can definitely a difference between a call and the other, failing with. SIP/2.0 488 Not Acceptable Media . Warning: 304 10.191.152.210 "Media Type(s) Unavailable"

2020年12月15日 · From SIP message are receive this message . Sent: SIP/2.0 488 Not Acceptable Media. Via: SIP/2.0/UDP IP:5060;branch=z9hG4bK-b8555e-d00d7801-18f2e55

2017年10月17日 · I have a cucm cluster and a cube1 router as pstn gateway. in the same network I have a fax server and its own dedicated cube2 router. I have a few DIDs in the cube1 router that I want to use in the fax server. Here cube1 is used to handle calls to/from CUCM cluster but I've been asked to test if I c...

2015年1月21日 · 1. Set the region between the sip trunk and your endpoint to use 64bit rate codec (with G711 as the preferred codec) 2. Your voice class codec applied to your dial-peer is 1 but the one you actually have on your gateway is shown below. Change your dial-peer to use voice class-codec 2. voice class codec 2 codec preference 1 g711ulaw

2016年12月21日 · Do sip show peer PEERNAME to check which codecs that specific peer is allowed. Then update the config if a codec is missing. Then update the config if a codec is missing. Check at least one of the codecs from sip show peer PEERNAME is available on the softphone you are using.

2021年5月31日 · Sip Agent sends 488 (Not Acceptable Here) to A; A Send ACK; B sends SIP 488 (Not Acceptable Here) SIP Agent sends an INVITE; B sends SIP 488 (Not Acceptable Here) SIP Agent sends an INVITE; in this flow at point 4 B party is sending 488 message, for this B party is expecting an ACK for this.. as we are not sending ACK B party is sending 488 ...

2016年4月6日 · Hi I have a CUCM 8.6 setup with a growing number of users having CUCI-Lync clients on laptops. At one particular site users report not being able to connect to certain destination when connected to the LAN switch. Call Manager logs show the calls failing to SIP 488 Media not acceptable media. If t...

2017年6月16日 · See if you can get logs off the endpoint that is returning the SIP 488. Also grab a SIP trace by going to the fs_cli and "sofia global siptrace on". This will add the SIP packets to your log file and perhaps give more information.

2014年7月22日 · Most often a 488 rejection is caused by codec mismatch. Please check the FS and the WebRTC settings. Usually WebRTC uses Opus so you need to make sure that selected in the FS Config [if possible]. A PCAP of the Issue or screen shots of the INVITE and the 488 can help narrow down the problem further.