crypto = attr->a_value;
crypto_tag = atoi(crypto);
- if (tech_pvt->remote_crypto_key) {
+ if (tech_pvt->remote_crypto_key && switch_rtp_ready(tech_pvt->rtp_session)) {
if (crypto_tag && crypto_tag == tech_pvt->crypto_tag) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Existing key is still valid.\n");
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Change Remote key to [%s]\n", crypto);
tech_pvt->remote_crypto_key = switch_core_session_strdup(tech_pvt->session, crypto);
tech_pvt->crypto_tag = crypto_tag;
- sofia_glue_add_crypto(tech_pvt, tech_pvt->remote_crypto_key, SWITCH_RTP_CRYPTO_RECV);
- switch_rtp_add_crypto_key(tech_pvt->rtp_session, SWITCH_RTP_CRYPTO_RECV, tech_pvt->crypto_tag,
- tech_pvt->crypto_type, tech_pvt->remote_raw_key, SWITCH_RTP_KEY_LEN);
+
+ if (switch_rtp_ready(tech_pvt->rtp_session)) {
+ sofia_glue_add_crypto(tech_pvt, tech_pvt->remote_crypto_key, SWITCH_RTP_CRYPTO_RECV);
+ switch_rtp_add_crypto_key(tech_pvt->rtp_session, SWITCH_RTP_CRYPTO_RECV, tech_pvt->crypto_tag,
+ tech_pvt->crypto_type, tech_pvt->remote_raw_key, SWITCH_RTP_KEY_LEN);
+ }
got_crypto++;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Ignoring unacceptable key\n");