Original Website: http://www.iptel.org/ser/
Website of the OpenSER fork: http://openser.org/
SIP Express Router (ser) is a high-performance, configurable, free SIP ( RFC3261 ) server . It can act as registrar, proxy or redirect server. SER features an application-server interface, presence support, SMS gateway, SIMPLE2Jabber gateway, RADIUS/syslog accounting and authorization, server status monitoring, FCP security, etc. Web-based user provisioning, serweb, available.
Its performance allows it to deal with operational burdens, such as broken network components, attacks, power-up reboots and rapidly growing user population.
SER's configuration ability meets needs of a whole range of scenarios including small-office use, enterprise PBX replacements and carrier services.
Its performance allows it to deal with operational burdens, such as broken network components, attacks, power-up reboots and rapidly growing user population.
SER's configuration ability meets needs of a whole range of scenarios including small-office use, enterprise PBX replacements and carrier services.
This Wiki covers both the stable and the development branch of SER. When adding new commands, modules, and options, please also add a note on *when* this was added so that users may compare with their version date.
- SER is an Open Source SIP server, licensed under the GPL
- SER supports SIP over TCP and UDP according to RFC 3261
- SER supports ENUM
- SER supports several NAT support mechanisms
- SER may interoperate with the jabber instant messaging architecture
- SER supports multiple user DNS domains in parallell
- SER is extensible with modules for various additional functions
- SER supports DNS SRV lookups
SER supports SIP connections with more features and more scalability than Asterisk. Normally, SER would be used in conjunction with Asterisk when a SIP phone needed to connect to the PSTN.
SER modules
If "experimental" this applies to the 0.8.11 release.- SER module acc: Accounting support
- SER module auth : General module for authentication
- SER module auth_db : Database authentication
- SER module auth_radius : Radius authentication (Experimental)
- SER module cpl: Call Processing Language (Experimental)
- SER module cpl-c : Call Processing Language (Experimental)
- SER module dbtext: Use text file as database (Experimental)
- SER module domain: Manage table of hosted domains for this SIP Server (Experimental)
- SER module enum: ENUM Lookups (Experimental)
- SER module exec: Exec UNIX/Linux shell commands (Experimental)
- SER module ext (Experimental)
- SER module extcmd (Experimental)
- SER module group: Group authentication
- SER module group_radius : Group authentication in Radius
- SER module jabber: SIP - SIMPLE - Jabber integration
- SER module lcr: Least cost routing module supporting HA PSTN termination with a few tweaks
- SER module mangler: SDP mangling for NAT connections
- SER module maxfwd: Keeps track of forwards
- SER module mediaproxy: geographical distributed NAT traversal
- SER module msilo: Storage of messages (Experimental)
- SER module mysql: MYSQL Databas storage
- SER module nathelper: Enable NAT clients
- SER module pa : Presence agent (Experimental)
- SER module pdt: Call routing from telephone numbers to other SIP address domains
- SER module permissions: Deny/allow connections (Experimental)
- SER module pike: Keep peek periods under control (Experimental)
- SER module postgres: Postgres DB support
- SER module print: Example module for programmers
- SER module registrar: The module contains REGISTER processing logic.
- SER module rr : Routing and Record-Routing
- SER module sl: Stateless replies
- SER module sms: SMS Gateway
- SER module textops: Message Textual Operations
- SER module tm: Transaction Management
- SER module uri: Various URI checks
- SER module uri_radius: URI checking using Radius (Experimental)
- SER module usrloc: User location support
- SER module vm: Voicemail interface
- SER module osp: Secure, Multi-Lateral Peering
- SER module xlog
Ser pages
Ser web interfaces
- SERadmin: Written by Xten India
- SERweb: Web interface for user registration and management
- SER-SIP-Provisioning: Very Basic Web Account Provisioning (PHP/MySQL)
- Managed DNS: Web interface between SIP, DNS zones, Domain registration and ENUM
Platforms
- ser has been written in ANSI C. It has been extensively tested on PC/Linux and Sun/Solaris. Ports to BSD and IPAQ/Linux exist.
- SIPatH Project - porting ser to the mipsel architecture OpenWRT - Summary - Website
- SER OS Platforms - What Operating Systems SER works with.
- SER Linksys NSLU2
References
- SER is used by Junction Networks, SIPphone, TeleSIP, Free World Dialup, and Free IP Call . See recommendation on http://mail.iptel.org/pipermail/serusers/2003-August/002155.html
- SER is used by http://www.alototal.com
Resources
- Mailing List
- SIP Express Router Consultants
- SER LiveCD
- CDR mediation, accounting and prepaid for SER CDRTool
- Getting Started with SER
- SER in a nutshell Overview of SIP Express Router
- SER product info (Acrobat PDF)
- SER admin's guide
- SER Installation and configuration
- Multi-Lateral Peering with SER
- Open Source VOIP Software
- SER Billing SER Billing application - pure SIP or hybrid with Asterisk
- Book - Telefonia IP com SIP e SER (Portuguese)
- Instalación y configuración de SER (Castellano)
- SER Proxy : Provide SER proxy ITSP programming and configuration.
Page Changes
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Softswitch is the main element of the platform, which merges the functionality of the following VOIP architecture’s elements.
H323 switch
H323 gatekeeper
SIP Proxy
SIP registrar
Each of the described elements can operate simultaneously with the others. Moreover, the clients, regardless of the protocol, or the way they transfer connections, can connect between one another. This option allows connecting the networks, which because of the differences in implemented protocols or dialects inside the particular protocol, cannot directly transfer connection between one another. Implementing APNAVOIP as a central traffic controller also introduces a number of additional management, supervision and network security facilitations.
The main characteristics of the softswitch include:
· Simultaneous and transparent support of SIP and H323 protocols (sip?h323 and h323?sip translator.
· Possibility of implementing various types of proxy (e.g. RTP-proxy or signaling proxy), possibility of choosing proxy for each prefix defined in dialing plan.
· Advanced routing and rating system
· Full internetworking with most commercially available switches, softswitches, session border controllers and VOIP gateways.
· VOIP equipment support.
· NAT support both for SIP and h323 equipment.
· Calling to sip devices behind NAT (without the necessity of configuring NAT).
=---------------------------
· Calling among users registered to softswitch, support for dynamic IP addresses.
1· Authentication of VOIP equipment:
===================================
o. by IP address
o by ANI
o by h323id
o by the pair of login/password (according to the SIP standard)
0· Flexible routing
o· Individual, integrated billing system
o· Managing pre-paid and post-paid accounts
o· Setting up users in the VSConfig program
o· Managing users, blocking, setting limits
o· Generating the groups of users and managing lots
o· Creating and managing tariffs, the possibility of attributing a tariff to an individual user
o· Data stored in the MSSQL or MySQL database
o· Graphic management interface (presentation of the statistical data, billing information, managing clients’ accounts, generating PIN, managing the tariffs, dialing plan and others)
o· Graphic interface presenting the current traffic in the real time, number of the logged in clients, with the division into different types of services, presentation of logs and others
o· Web interface for clients – presentation of the connections history, possibility of exporting to the file, presentation of the current account status, possibility of making payments online and others
o· Easy to set up architecture
o· Automatic software re-start facilities in case of system failure
o· Scalability for new telecommunication services by enabling additional modules.
STANDARD APPLICATIONS
Central point of your VOIP network
2.Main benefits:
Management of authorization rules of VoIP-gateways
Setting up call routing rules
Provisioning of compatibility for H323 and SIP- equipment of various vendors
Security and load planning of VoIP-traffic by using optional RTP-proxying
Access to the statistical data (ASR, PDD and others)
Transparent interface of the billing system
3.Network security:
When using RTP-proxying SoftSwitch provides a single entry point for VoIP traffic.Both for clients and carriers there is only one IP address available.
Integration of equipment with support of different protocols
One of the most important features of RSF1000 is its ability to support widely accepted signaling IP-protocols - SIP and H323.
The system provides transparent converging of one protocol into another, thus allowing performing calls from one type of equipment to another.
4.SCALABILITY:
Through launching subsequent modules, it is very convenient for a provider to extend the range of services offered. Available modules:
IVR for calling cards
Web/SMS/ANI callback (with IVR)
Reseller’s module
Online shop
CallShop
5.SPECIFICATIONS:
Supported protocols
1 H.323 v.2 (H.245 v7, H225 v4) with/without FAST START
2 SIP (RFC 3261)
3 proxying of RTP/RTCP streams
4 Signalling proxy
5 Support of T38 (SIP, H323)
6 Transparent conversion of SIP to H323 and vice versa
Support of the Devices Behind the NAT
1 SIP-devices
2 H323-devices
6.Authentication:
1 by IP address – SIP and H323
2 by H323ID – h323 terminals/gateways
3 by ANI (calling party number) – SIP and H323
4 by login and password- SIP equipment
5 by login and password – HearLink pc to phone/web to phone dialer (included in the package)
6 gatekeeper registration based on aliases
7.Intelligent routing:
1 based on prefixes (the possibility of defining prefixes differentiating individual users)
2 based on accessibility of the VOIP gateway
3 based on priorities when choosing a gateway
4 depending on available voice codecs
5 depending on prefixes specified in the tariff of an individual client
Phone Numbers Translation
1 Deletion of the set number of digits from the called party number
2 Addition of the set number of digits to the called party number
3 Deletion of the set number of digits from the caller number
4 Addition of the set number of digits to the caller number
5 Virtual prefixes (for differentiation of the dialing plans)
8.Information for the Billing System:
1 Real-time, built in billing system
2 Storage in SQL database (MSSQL or MYSQL)
3 pre-paid and post-paid accounts
4 Payments history
5 CDR – examining the logs of the calls carried out from the VSCConfig level, possibility of filtering data according to the set parameters, possibility of exporting data to the file (html, excel, txt, or csv type), presenting the CDR on the WWW pages available for clients
9.System Management and Control Features:
1 Graphic User Interface for managing the overall functionality of the system
2 Visual presentation of current connections along with the information on their status
3 The number of statistical data presenting the information on the traffic intensity with its various parameters e.g. ASR, PDD. Possibility of limiting the number of data presented by using available filters e.g. only incoming traffic from the particular client, traffic directed to the particular gateway, or prefix etc.
4 Visual presentation of logged in clients and their current status, with the division into types of services e.g. gatekeeper users, SIP users, pc2phone, callback.
10.Operating Systems
1 Windows 2000, 2003, XP
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Use ser for Prepaid internet phone
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Ser+Asterisk
SER help available
We have extensive background in implementing SER with Cisco voice gateways, Asterisk, ATAs, etc.
We can also help with custom development.
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sip professional programmer please contact me at grkashani@yahoo.com
Explication please
Can anyone expand on this comment (SER supports SIP connections with more features and more scalability than Asterisk. Normally, SER would be used in conjunction with Asterisk when a SIP phone needed to connect to the PSTN) so that a first-time Asterisk novice can understand the logic of how SER and Asterisk work together to connect to the PSTN? What functions/processes is Asterisk responsible for and what functions/processes is SER responsible for? What handoffs are going on? Thank You, dave_rep@yahoo.com
Re: SER & ASTERISK@HOME - 1 box?
We are investigating into integrating the two. Do you know if Asterisk supports VXML? If not, do you have any pointers or info on how the integration can be done?
Thanks.
SER & ASTERISK@HOME - 1 box?
iptel.org website
Thanks.
Roel
SER+Quintum
howto
config example
AX2400 (24fxs ports)
documentation,links... any