snom technology ag - training - technology leadership interoperability usability

snom technology AG- Training -

Technology leadership

Interoperability

www.snom.com

Usability

snom Training 2

choose the choice…

Basic Training (1)

• Introduction– snom 4S suite of software– snom 4S ITSP– snom 4S IP PBX– snom 4S SBC/NATfilter– snom 4S proxy/registrar– snom 4S mediaserver

snom Company Presentation 3


Products: The snom 4S is a complete, SIP-based system for IP PBX and IP Centrex applications

• 4S Registrar/Proxy

• 4S Media Server

• 4S Calling Card

• 4S NAT-Filter/SBC

snom 4SCompleteVoIP Telephony Solutions




“internal IP PBX” scenario

ApplicationsApplications

Snom 190192.168.10.105

Snom 190192.168.10.101

snom4S Media Server

192.168.10.104:5061192.168.10.104:8080

Music on hold moh Conference 590

Automatic mailbox192.168.10.104:5060

snom4S Registrar/Proxy

192.168.10.104:5060192.168.10.104:80

Register 192.168.10.104:5060



“PSTN break-out IP PBX” scenario


Snom 190192.168.10.105

Snom 190192.168.10.101

snom4S Media Server

192.168.10.104:5061192.168.10.104:8080




192.168.10.104:5060192.168.10.104:80

Register 192.168.10.104:5060

PSTN Gateway(intern.gateway.com)



Applications: PBX replacement – IP PBX or Soft Switch

snom4S Registrar/Proxy4S Media Server

PSTN Gateway(e.g. Vegastream)

DSL

[email protected]@snomag.de

SIP-aware Firewall(e.g. Ingate)




ITSP

Applications: IP PBX ITSP Bundle


DSL



ApplicationsApplicationsPSTN Gateway(e.g. Sonus)

snom Training 8


Basic Training (2)

• Lesson 1: Installation snom 4S PR– Windows: Install Wizard – Linux: TAR archive – License / Port Binding / System Settings / Security Settings

estimated time up to 2 hours!

• Lesson 2: setup snom 4S PR / first call– Domains – creating / DNS - IP– account creation– phone config and registration

CALL

estimated time up to 1 hour!



“Hello snom 4S PR” scenario


192.168.10.104:5060192.168.10.104:80


Snom 190192.168.10.105

Snom 190192.168.10.101

snom Training 10


Installation snom 4S PR (Windows 1a)

– Start setup– Input your preferred ports

snom Training 11


Installation snom 4S PR (Windows 1b)

– Launch 4S PR / login in: admin / NO PASSWD

snom Training 12


Installation snom 4S PR (Windows 2)

– Make sure service is running

snom Training 13



– Quick phone configuration

snom Training 14



– Quick phone configuration

snom Training 15


Installation snom 4S PR (Linux)

– un-tar the tarball with the following command ‘tar xvzf snom_sip_proxy-xxx.tgz’

– change into the directory of the un-packed archive– execute the install.sh script

snom Training 16


Start/Stop snom 4S MS / PR (Linux)

– Start: ‘/etc/init.d/mediaserver start’– Stop: ‘/etc/init.d/mediaserver stop’– Verify: ‘/etc/init.d/mediaserver status’

snom Training 17



– CALL succesful!

snom Training 18



– Add User manually– Domains / click / Add Normal User / Add / Show List

snom Training 19


Basic Training (3)

• Lesson 3: Installation snom 4S MS– Windows: Install Wizard – Linux: RPM archive – License / System / Webserver / SIP / codecs


• Lesson 4: setup snom 4S MS– MOH– Mailbox– Conference– phone config

CALL (Mailbox) and Call-Conference




“Hello snom 4S MS” scenario


Snom 190192.168.10.105

Snom 190192.168.10.101

snom4S Media Server

192.168.10.104:5060192.168.10.104:8080


Automatic mailbox

snom Training 21


Installation snom 4S MS (Windows 1)

– Start setup– Input your registration information, choose ports– Do not use the proxy SIP port– Launch 4S MS / login in: / NO PASSWD

snom Training 22


Installation snom 4S MS (Windows error 1)

– Wizard Hangs after installation– Port input window is hidden somewhere on desktop!

snom Training 23


Configuration snom 4S MS (Linux)

– After installation of the RPM load your favorite editor to adjust the default values in /etc/sysconfig/mediaserver to your needs

snom Training 24


Installation snom 4S MS (Linux)

– Use the built-in RPM installer of your distribution– Or do it yourself on the command line

– start a command line as ‘root’ user– type ‘rpm -ihv snommedia-2.24.xxx.rpm’ when you never installed

a snom product before– or type ‘rpm -Uhv snommedia-2.24-xxx.rpm’ when an older version

was allready installed before

snom Training 25


Start/Stop snom 4S MS (Linux)

– Start: ‘/etc/init.d/mediaserver start’– Stop: ‘/etc/init.d/mediaserver stop’– Verify: ‘/etc/init.d/mediaserver status’

snom Training 26


Installation snom 4S MS (Settings)

• License / System / Webserver / SIP /codecs

snom Training 27


Installation snom 4S MS (Conference)

• Create Conference account• Accounts / Add (conference) #590 / edit

snom Training 28


Installation snom 4S MS (Conference)

• Dial 590 and enjoy the conference voice!

snom Training 29


Installation snom 4S MS (MOH)

• Create MOH account• Accounts / Add (music on hold) #moh / edit

snom Training 30


Installation snom 4S MS (MOH)

• Configure your phone • Put call on hold and “listen to the music”!

snom Training 31


Installation snom 4S MS

• Try to call one phone directly!

• Media-Server acts as UA• Proxy doesn’t receive SIP 5060 anymore• Media eats all SIP signals

• How to combine snom 4S PR with snom 4S MS

• Snom 4S MS acts as another UA• Snom 4S MS needs to run on another SIP port (eg.

5061)



“internal IP PBX” scenario


Snom 190192.168.10.105

Snom 190192.168.10.101

snom4S Media Server

192.168.10.104:5061192.168.10.104:8080




192.168.10.104:5060192.168.10.104:80

Register 192.168.10.104:5060

snom Training 33


Installation snom 4S MS (Linking)

• Linking Media-Server to snom 4S proxy• Domain / Settings

snom Training 34


Installation snom 4S MS (Linking)

• Register Conference account with proxy in MH• Accounts / 590 edit

snom Training 35


Installation snom 4S MS (linking)

• Register MOH acccount with proxy in MS• Accounts / moh edit

snom Training 36


Installation snom 4S MS (Mailbox MWI)

• Media Server DNS Identity • For MWI destination

snom Training 37


Installation snom 4S MS (Mailbox)

• Create a Mailbox Template on the MS

snom Training 38



• Create several mailbox accounts

snom Training 39



• Account / Edit • Set MWI destination = account number

snom Training 40



• Account / Edit • Set MWI destination = account number

snom Training 41



• Edit mailbox account • Register: 100

• What happens?

snom Training 42


Advanced Training (1)

• Advanced Lesson: snom 4S proxy– Gateway (InAlp)

– PSTN breakin– Dial Plan

– internal numbers– 911 – PSTN breakout

– hunt group– stage1 stage2

– pickup (optional)– phone function keys

estimated time up to 3 hours!



“PSTN break-out IP PBX” scenario


Snom 190192.168.10.105

Snom 190192.168.10.101

snom4S Media Server

192.168.10.104:5061192.168.10.104:8080




192.168.10.104:5060192.168.10.104:80

Register 192.168.10.104:5060

PSTN Gateway(intern.gateway.com)

snom Training 44


IP-PBX

• How to setup an IP-PBX– Components:

– Proxy/Registrar– Mediaserver for advanced PBX functionality

– Hardware / Network needs– Mid-Size-Server for Proxy/Registrar– Performance Media-Server for X parallel lines

– Skills– Networking and OS knowledge– RTP basic knowledge– SIP / Pcap trace knowledge for trouble shooting

snom Training 45


Advanced snom 4S PR (Gateway)

• Dial Plan example in Vega 100• Register proxy with gateway• Incoming numbers to 39833 – xxx are forwarded to xxx

snom Training 46



• Dial Plan• Forward all UAs (From: *)• If they dialed 911 (To:911@~*) • And call 911 via PSTN

(Argument: sip:[email protected])

snom Training 47



• Dial Plan PSTN break-out• Forward all UAs

• (From: *)• If they dialed numbers with more than 4 digits

• (To: sip:$$$$%@~*) • To the PSTN gateway

• (Argument: sip:{user}@intern.gateway.com)

snom Training 48


Advanced snom 4S PR (hunt)

• Add Hunt group: “hunt”• Show list / click hunt group account• Preferences: call 100 (10 s) / 101 (10s)/ again 100CALL [email protected]

snom Training 49


Advanced Training snom 4S MS

• Advanced Lesson: snom 4S MS – auto attendant– ACD


snom Training 50


Advanced snom 4S MS (Auto Attendant)

• Create Account / Add Auto Attendant / edit

snom Training 51


Advanced snom 4S MS (Auto Attendant)

• Edit auto • 1: call 100• 2: call 101• 3: call 102



ITSP

Applications: IP PBX ITSP Bundle


DSL



ApplicationsApplicationsPSTN Gateway(e.g. Sonus)

snom Training 53


ITSP

• How to setup an ITSPs solution– Components:

– NAT-Filter / Session Border Controller– Proxy/Registrar– Mediaserver for advanced PBX functionality

– Hardware / Network needs– Dedicated Network controller in/out-bound– Broad Network connection for rtp lines– High performance Server for parallel lines

– Skills– Networking and OS knowledge– RTP basic knowledge– NAT-Filter training– SIP / Pcap trace knowledge for troubel shooting

snom Training 54


Advanced snom 4S MS (ACD)

• Automatic call distribution / IP-Gateway

ITSP(blueSIP)

PSTN Gateway(e.g. Sonus)

snom4S Media Server4S Proxy Server

Snom3Account x

snom Training 55



• inbound calls

ITSP #+49 89 721010 52612

snom4S NAT Filter /

SBC

ACD 700Connects inbound call to

100 101


snom Training 56



• Add Account / ACD / edit• Use ITSP account as IP-Gateway

• Incoming calls are redirected to 100 and 102• Both phones ring!

snom Training 57



• outbound calls / special prefix for outbound call

ITSP xxxx Number

snom4S NAT Filter /

SBC

MS ACD 700 connects to ITSP via SBC

Proxy Dial Plan redirects 01011xxxx calls toSnom 4 MS


MS Dial Plan redirects all calls to700

snom Training 58



• Use Prefix 01011 to make call via ITSP• Forward all UAs

• (From: *)• If they dialed numbers beginning with 01011

• (To: sip:01011*@~*) • To 4S MS to forward it further

• (Argument: sip:{user:5}@192.168.10.104:5061)

snom Training 59



• Take forwarded calls from snom 4 PR• all outgoing calls use the 700 (ACD) – IP Gateway

• NOT existing UA 100, 101, 102

snom Training 60


Advanced snom 4S MS (Trouble Shooting 1)

• Auto attendant doesn’t speak? • Media server might have dead open audio streams• Check Open Calls• Kill unconnected long duration calls



Products: 4S Registrar/Proxy and 4S Media Server

• 4S Registrar/Proxy– Sequential and parallel forking– Registrar/location server– Web interface– Integrated STUN server (NAT)– User management– Multiple domains– Calling card service– Remote configuration and

update management– Call logs, access rules, …– P III can handle 10,000 BHCA

• 4S Media server– Mailbox– Sends messages per e-mail– Message-waiting indication– Music on hold– Multi conferencing– B2BUA Media Bridge– Error explanation





Products: 4S NAT-Filter/SBC

• 4S NAT-Filter/SBC– Public Internet SIP NAT

Solution– Comatible with all RFC3261-

compliant SIP Proxies– Scalable & Redundant– STUN Server Included– ICE Support– Recording of Signaling and

Audio– Built on Proven snom SIP

Stack– Available for Microsoft™

Windows™ and Linux



Why 4S NAT-Filter/SBC

•No updates necessary for new applications

•No updates for new user agents

•No vendor dependency

•Inherent scalability

•Stateful inspection

•Outbound proxy path optimization

•ICE support

•NAT support

snom Training 63


Debugging phone problems (1)

– First check the SIP Trace for problems:

snom Training 64



– If the SIP Trace is empty check the DNS cache:

snom Training 65



– In case of audio problems make a PCAP Trace:– Click start to record– Click stop to stop recording– Click “here” to save pcap file to local PC

– Only record a few seconds as the buffer is small

snom Training 66


Making Pcap traces with a PC

• How to record a call via Pcap from a PC– Components:

– Snom Phone– Ethereal + Hub in between phones and ethereal

– Hardware / Network needs– Phones– Hub– Monitoring PC

– Skills– Snom Phone Basics – Ethereal advanced knowledge– Basic Networking

snom Training 67


PCAP analysis via Ethereal

• Start Ethereal– In case: open downloaded pcap file from snom phone– Filter for SIP / RTP

– Analyse SIP messages– Analyse RTP messages

• Typical Problems– Phone doesn’t register– No Audio– One way audio– Phone doesn’t stop ringing

snom Training 68



– Before reporting a problem, please verify that this problem still exists also with latest firmware(available from http://www.snom.com/download/share)

– First of all check the Frequently Asked Questions (FAQ) section of our homepage, as it might already contain the answer

– Include into your report as many information’s as possible

– What might be obvious for you might not be obvious for the receiver, but missing information’s will delay the solution of the problem as you will have to answer counter-questions

– Bug report should include: Problem description, firmware version (System Information page), SIP Trace, Log, PCAP Trace (in case) and Settings

http://www.snom.com/download/share



snom Training 69


SIP Introduction: Registration (1)

REGISTER

200 OK

PhoneProxy

(Registrar)

snom Training 70


SIP Introduction: Registration (2)

REGISTER

200 OK

PhoneProxy

(Registrar)

REGISTER

401 Unauthorized

snom Training 71


SIP Introduction: Start basic call

INVITE

200 OK

1. PhoneProxy

(Registrar)

ACK

180 Ringing

2. Phone

INVITE

180 Ringing

180 Ringing180 Ringing

200 OK

ACK

Media (RTP)

snom Training 72


SIP Introduction: Cancel a call attempt

INVITE

200 OK

1. PhoneProxy

(Registrar)

ACK

180 Ringing

2. Phone

INVITE

180 Ringing

200 OK

ACK

CANCELCANCEL

487 Terminated487 Terminated

snom Training 73


SIP Introduction: Terminate a call

BYE

200 OK

1. Phone

Proxy(Registrar)

2. Phone

BYE

200 OK

Media (RTP)

snom Training 74


Basic Training (3)

• Lesson 5: phones– Preferences und Advanced Settings– TFTP / Firmware Updates (Release Notes)– settings log




Applications: IP Centrex model (ISPs)


DSL

DSL

CablePower

[email protected]

[email protected]

[email protected]

PSTN Gateway(e.g. Sonus)




Snom provisioning (snom.com)

• Snom.com as central provisioning server (hardcoded in FW)

• Domain / customer ssh accounts for registration

• Phone MAC address registration

• Redirect of incoming phones to snom.com

• MAC address based redirect to – Customer configuration and FW for local LAN



Snom provisioning

Snom.Com

FirewallNAT solved

snom BoxSnom PR

Snom Media

PhonePhonePhoneRegisteredPhoneMACxx1Domain1 configDomain 1 FW

ATA

FAX Cordless

LAN

ProvDBDomain1Domain2Domain3

Domain1MACxx1MACxx2MACxx3

Welcome, arcor190! Type help for help.==> helpWelcome to the snom configuration tool.You may use the following commands:

SHOW <mac> : Show the status of a phone.REGISTER <mac> : Register a phone.REG <mac> : Same as REGISTER.DEREGISTER <mac>: Deregister a phone.LIST : List all phones assigned.BYE : Leave this tool.

A MAC address may be entered as 3 to 6 digit hexadecimal number, case does not matter (e.g. 2e4 --> 0004132202E4)

==> list000413101214 00041310123C

LAN

LAN

Customer ssh account

snom Training 78


Snom Box

• How to setup the snom Box– Components:

– Snom Box– Snom deployment config

– Hardware / Network needs– snom BOX– Hard-Gateway

– Skills– Minimal Networking and OS knowledge– Hard-Gateway or Voice-provider knowledge– RTP basic knowledge– SIP / Pcap trace knowledge for troubel shooting



Contact

snom technology AG (HQ)Pascalstr. 10B10587 BerlinGermanyTel.: +49-30-39833-0Fax: +49-30-39833-111Mail: [email protected]: www.snom.com

mailto:[email protected]

© 2004 snom technology Aktiengesellschaft

The author has made his best effort to prepare this document. The content is based upon latest information, whenever possible. The author makes no representation or warranties of any kind with regard to the completeness or accuracy of the contents herein and accepts no liability of any kind, including, but not limited to, performance, merchantability, fitness for any particular purpose, or any losses or damages of any kind caused or alleged to be caused directly or indirectly by this document.

For more information, mail [email protected]. 10B, 10587 Berlin, Germany.

mailto:[email protected]

snom technology ag - training - technology leadership interoperability usability

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