Admin Guide - VoIP software provider

RTP: media channel protocolSIP: The Session Initiation Protocol (SIP) is a signaling protocol used for establishing sessions in an IP network. A session could be a simple twowaytelephone call or it could be a collaborative multi-media conference session.H323: H.323 is an ITU (International Telecommunications Union) recommended standard, which provides a foundation for audio, video and datacommunications on non-guaranteed Quality of Service networksRAS: used in H323. Used between the endpoint and its Gatekeeper in order toAllow the Gatekeeper to manage the endpoint (Registration, Admission, and Status)GK Registration: Endpoint will send an RRQ and expect to receive either an RCF or RRJH225: Call Signaling is used to establish calls between two H.323 entitiesH245: generally transmitted on a separate TCP connections by most older endpointsREGISTRAR: serverside component that allows SIP REGISTER requestsIEC: international escape codeNEC: national escape codeAC: area codeNUM: phone numberANI / CLI – Automatic Number Identification or Caller Line IdentificationIVR – Interactive Voice RecognitionLCR: least cost routing (price)BRS: best route selection (price + quality + other settings)-ANI/CLI authentication: Automatic Number Identification/Calling Line Identification-Toll free: is a special telephone number, in that the called party is charged the cost of the calls by the telephone carrier, instead of the callingparty. This can be configured as a normal access number (enduser) and eventually with higher billing (because we will be the billed party in thiscase)-local DID number: normal access numbers. Usually you will have separate DID numbers for different regions to minimize enduser costs-callback: DID or toll free number configured as enduser with iscallback set to the required IVR-ANI callback: same as callback with User-ID based authorisation (A number)-Virtual Numbers (DID): "real" phone numbers allocated for users. You have to buy DID numbers from CLEC or any other service provider likedidx.net-SMS callback: callback triggered by received SMS message. You have to subscriebe to a two way sms service like clickatel.com. users can beauthenticated by sender ID, pincode or username/password insterted to the sms text.5.64. CodecsThe sofswitch can route any audio, video and fax codecs.