What is SIP options keep alive?
The IMG can monitor the status of external SIP gateways by sending periodic SIP OPTIONS messages. If the gateway does not respond to one OPTIONS message the gateway will be considered down or unreachable and attempt to re-route the call to a different gateway.
How do I ping SIP?
Go to Device -> Device Settings -> SIP Profile and create a SIP Profile with SIP OPTIONS Ping Enabled Checked and enter appropriate values for the corresponding parameters.
What is Option message in SIP?
The SIP method, OPTIONS, allows a User Agent (UA) to query another UA or a proxy regarding its capabilities. This feature allows a client to discover information about the supported methods, extension content types with or without a dialog being established.
What is SIP options ping?
SIP Options ping timers determine how often messages are sent and when a destination is considered unavailable. InformaCast defaults to sending an SIP Options message every 15 seconds. Cisco Unified Communications Manager (CUCM) uses a default of 60 seconds when in-service or 120 seconds when out of service.
What are SIP methods?
SIP Methods. Yate handles SIP requests differently, depending on the request method. There are SIP requests methods that are handled internally in ysipchan module or generically in other Yate’s modules or in external scripts. You can also generate SIP requests from Yate (from other modules/custom scripts) and they will be sent to a specific party.
How does SIP protocol work?
SIP provides the necessary signaling for creating, modifying and terminating sessions with one or more communicating participants. SIP works in roughly the same way as other common protocols like HTTP or SMTP. It carries out the signaling by sending small messages, consisting of a header and a body.
What is a SIP user?
SIP is a protocol that gives you a unique identification (a SIP number or address) on the Internet that you can use as a phone number or email address to make and receive voice calls for free to any other SIP user worldwide, or for cheap to any other landline or mobile user. Here is how you can register for a SIP account.