diff options
Diffstat (limited to 'pjsip/include/pjsip/sip_config.h')
| -rw-r--r-- | pjsip/include/pjsip/sip_config.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/pjsip/include/pjsip/sip_config.h b/pjsip/include/pjsip/sip_config.h index 1db144c0..a171a096 100644 --- a/pjsip/include/pjsip/sip_config.h +++ b/pjsip/include/pjsip/sip_config.h @@ -227,6 +227,21 @@ PJ_INLINE(pjsip_cfg_t*) pjsip_cfg(void) /** + * RFC 3261 section 18.1.1: + * If a request is within 200 bytes of the path MTU, or if it is larger + * than 1300 bytes and the path MTU is unknown, the request MUST be sent + * using an RFC 2914 [43] congestion controlled transport protocol, such + * as TCP. + * + * This setting controls the threshold of the UDP packet, which if it's + * larger than this value the request will be sent with TCP. Default is + * 1300 bytes. + */ +#ifndef PJSIP_UDP_SIZE_THRESHOLD +# define PJSIP_UDP_SIZE_THRESHOLD 1300 +#endif + +/** * Encode SIP headers in their short forms to reduce size. By default, * SIP headers in outgoing messages will be encoded in their full names. * If this option is enabled, then SIP headers for outgoing messages |