# Internal SIP Profile
- Advanced \> SIP Profiles \> Internal SIP Profile
- **Hostname**: Should be left blank and is for advanced use.
| Name | Value | Enabled | Description |
|-------------------------------------|--------------------------------------------|---------|--------------------------------------------------------------|
| accept-blind-auth | true | False | |
| accept-blind-reg | true | False | |
| aggressive-nat-detection | true | True | |
| alias | sip:10.0.1.251:5555 | False | |
| apply-inbound-acl | domains | True | |
| apply-nat-acl | nat.auto | True | |
| apply-register-acl | domains | False | |
| auth-all-packets | false | True | |
| auth-calls | $${internal_auth_calls} | True | |
| auto-jitterbuffer-msec | 60 | False | |
| auto-rtp-bugs | | False | |
| bind-params | transport=udp | False | |
| bitpacking | aal2 | False | |
| caller-id-type | rpid | False | |
| caller-id-type | pid | False | |
| caller-id-type | none | False | |
| challenge-realm | auto_to | True | |
| cid-in-1xx | false | False | |
| context | public | True | |
| dbname | share_presence | False | |
| debug | 0 | True | |
| delete-subs-on-register | false | False | |
| dialplan | XML | True | |
| disable-naptr | false | False | |
| disable-register | true | False | |
| disable-rtp-auto-adjust | true | False | |
| disable-srv | false | False | |
| disable-srv503 | true | False | |
| disable-transcoding | true | False | |
| disable-transfer | true | False | |
| dtmf-duration | 2000 | True | |
| dtmf-type | rfc2833 | True | |
| enable-100rel | true | False | |
| enable-3pcc | true | False | |
| enable-compact-headers | true | False | |
| enable-timer | false | False | |
| extended-info-parsing | true | False | |
| ext-rtp-ip | $${external_rtp_ip} | True | |
| ext-sip-ip | $${external_rtp_ip} | True | |
| force-register-db-domain | $${domain} | False | |
| force-register-domain | $${domain} | False | |
| force-subscription-domain | $${domain} | False | |
| force-subscription-expires | 60 | False | |
| forward-unsolicited-mwi-notify | false | True | |
| hold-music | $${hold_music} | True | |
| inbound-bypass-media | true | False | |
| inbound-codec-negotiation | generous | True | |
| inbound-codec-prefs | $${global_codec_prefs} | True | |
| inbound-late-negotiation | true | False | |
| inbound-proxy-media | true | False | |
| inbound-reg-force-matching-username | true | True | |
| liberal-dtmf | true | False | |
| local-network-acl | localnet.auto | True | |
| log-auth-failures | true | True | |
| manage-presence | true | True | |
| manage-shared-appearance | true | True | |
| manual-redirect | true | False | |
| max-proceeding | 1000 | False | |
| media-option | bypass-media-after-att-xfer | False | |
| media-option | resume-media-on-hold | False | |
| minimum-session-expires | 120 | False | |
| multiple-registrations | contact | False | Enables registrations on multiple endpoints |
| nat-options-ping | true | False | |
| NDLB-broken-auth-hash | true | False | |
| NDLB-force-rport | safe | True | Enables rport |
| NDLB-received-in-nat-reg-contact | true | False | |
| nonce-ttl | 60 | True | |
| odbc-dsn | $${dsn} | False | |
| outbound-codec-prefs | $${global_codec_prefs} | True | |
| pass-callee-id | false | False | |
| pass-rfc2833 | true | False | |
| presence-hosts | $${domain},$${local_ip_v4} | False | |
| presence-privacy | $${presence_privacy} | True | |
| presence-probe-on-register | true | True | |
| presence-proto-lookup | true | False | |
| record-path | $${recordings_dir} | True | |
| record-template | \${domain_name}/
archive/
\${strftime(%Y)}/
\${strftime(%b)}/
\${strftime(%d)}/
\${uuid}.\${record_ext} | True | |
| registration-thread-frequency | 30 | False | |
| renegotiate-codec-on-hold | true | False | |
| rfc2833-pt | 101 | True | |
| rtcp-audio-interval-msec | 5000 | False | |
| rtcp-video-interval-msec | 5000 | False | |
| rtp-autofix-timing | false | False | |
| rtp-autoflush-during-bridge | false | False | |
| rtp-hold-timeout-sec | 1800 | True | |
| rtp-ip | $${local_ip_v4} | True | |
| rtp-rewrite-timestamps | true | False | |
| rtp-timeout-sec | 300 | True | |
| rtp-timer-name | soft | True | |
| send-message-query-on-register | True | False | |
| send-presence-on-register | true | False | |
| session-timeout | 1800 | False | |
| shutdown-on-fail | true | False | |
| sip-capture | no | True | |
| sip-ip | $${local_ip_v4} | True | |
| sip-port | $${internal_sip_port} | True | |
| sip-trace | no | True | |
| suppress-cng | true | False | |
| timer-T1 | 500 | False | |
| timer-T1X64 | 32000 | False | |
| timer-T2 | 4000 | False | |
| timer-T4 | 4000 | False | |
| tls | $${internal_ssl_enable} | True | |
| tls-bind-params | transport=tls | True | |
| tls-cert-dir | $${internal_ssl_dir} | True | |
| tls-only | false | True | |
| tls-passphrase | | True | |
| tls-sip-port | $${internal_tls_port} | True | |
| tls-verify-date | true | True | |
| tls-verify-depth | 2 | True | |
| tls-verify-in-subjects | | True | |
| tls-verify-policy | all\|subjects_all | False | |
| tls-version | $${sip_tls_version} | True | |
| unregister-on-options-fail | true | False | |
| user-agent-string | FreeSWITCH | True | |
| vad | out | False | |
| watchdog-enabled | no | True | |
| watchdog-event-timeout | 30000 | True | |
| watchdog-step-timeout | 3000 | True | |