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I'm running Fedora 31 x86_64, and I've installed Jami from the jami.net rpm repo, version 20200414. I'm trying to use my SIP account with Jami. It is from an ISP also providing VoIP calls.

Since I don't know whether this is specific to my provider, or a more general issue, I'm providing specific details about this setup.

My ISP setup is: UDP transport, no TLS nor SRTP, they provide an username/password and one should connect via their proxy. I'm not sure one can even connect to it from outside their network.

They have two proxies actually (IPv4 only):

srvrm.p.ims.tiscali.net (SRV record) core1.p.ims.tiscali.net (A record) 213.205.21.8 (actual IP address)

srvmi.p.ims.tiscali.net (SRV record) core2.p.ims.tiscali.net (A record) 94.32.130.112 (actual IP address)

These are the connection settings I'm using on a Grandstream ATA where I can place and receive calls: Primary SIP Server: ims.tiscali.net Outbound Proxy: 213.205.21.8 SIP User ID: $MYPHONENUMBER Authenticate ID: $MYPHONENUMBER@ims.tiscali.net Password: $MYPASSWORD

These are the connection settings I'm trying to use with Jami: Name: $MYPHONENUMBER SIP Server: I've tried using all of SRV name, A name and IP address. Password: $MYPASSWORD Proxy: I've tried using all of SRV name, A name and IP address.

What should happen: I should be able to register with my provider and be able to place and receive calls. What happens actually: Jami is not sending a single SIP packet anywhere. At most it's performing DNS resolution via SRV or A records, receiving responses with the correct IP address.

I've started Jami with "jami-gnome -d" but I saw no relevant debug info. I'm running wireshark on the box running Jami, and by filtering for "udp.port==5060 || sip" I see no packets.