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res_pjsip_session: Rewrite o= with external_media_address.

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PJSIP allows a domain name as external_media_address. This allows chan_pjsip to
be used behind a NAT with changing IP addresses. The IP address of that domain
is resolved to the c= line already. This change sets also the o= line to that
domain.

ASTERISK-27341 #close

Change-Id: I690163b6e762042ec38b3995aa5c9bea909d8ec4
This commit is contained in:
Alexander Traud
2017-10-13 16:43:12 +02:00
parent 89796eaef2
commit 8f65d91dfd
1 changed files with 1 additions and 0 deletions
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res/res_pjsip_session.c
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@@ -4006,6 +4006,7 @@ static void session_outgoing_nat_hook(pjsip_tx_data *tdata, struct ast_sip_trans
if (ast_sip_transport_is_local(transport_state, &our_sdp_addr) || !transport_state->localnet) {
ast_debug(5, "Setting external media address to %s\n", ast_sockaddr_stringify_host(&transport_state->external_media_address));
pj_strdup2(tdata->pool, &sdp->conn->addr, ast_sockaddr_stringify_host(&transport_state->external_media_address));
pj_strdup2(tdata->pool, &sdp->origin.addr, transport->external_media_address);
}
}