snom technology AG
- Training -
Technology
leadership
Usability
Interoperability
www.snom.com
snom Training
2
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
choose the choice…
3
snom Company Presentation
Products: The snom 4S is a complete, SIP-based system
for IP PBX and IP Centrex applications
snom 4S
Complete
VoIP Telephony
Solutions
• 4S Registrar/Proxy
• 4S Media Server
• 4S Calling Card
• 4S NAT-Filter/SBC
choose the choice…
4
snom Company Presentation
“internal IP PBX” scenario
snom
4S Registrar/Proxy
192.168.10.104:5060
192.168.10.104:80
Register
192.168.10.104:5060
snom
4S Media Server
192.168.10.104:5061
192.168.10.104:8080
Applications
Snom 190
192.168.10.101
Snom 190
192.168.10.105
Music on hold moh
Conference 590
Automatic mailbox
192.168.10.104:5060
choose the choice…
5
snom Company Presentation
“PSTN break-out IP PBX” scenario
snom
4S Registrar/Proxy
192.168.10.104:5060
192.168.10.104:80
PSTN Gateway
(intern.gateway.com)
Register
192.168.10.104:5060
snom
4S Media Server
192.168.10.104:5061
192.168.10.104:8080
Applications
Snom 190
192.168.10.101
Snom 190
192.168.10.105
Music on hold moh
Conference 590
Automatic mailbox
192.168.10.104:5060
choose the choice…
6
snom Company Presentation
Applications: PBX replacement – IP PBX or Soft Switch
snom
4S Registrar/Proxy
4S Media Server
PSTN Gateway
(e.g. Vegastream)
SIP-aware Firewall
(e.g. Ingate)
DSL
Applications
401@snomag.de
cs@snomag.de
choose the choice…
7
snom Company Presentation
Applications: IP PBX ITSP Bundle
ITSP
snom
4S Registrar/Proxy
4S Media Server
Applications
PSTN Gateway
(e.g. Sonus)
SIP-aware Firewall
(e.g. Ingate)
DSL
401@snomag.de
cs@snomag.de
choose the choice…
8
snom Training
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!
choose the choice…
9
snom Company Presentation
“Hello snom 4S PR” scenario
snom
4S Registrar/Proxy
192.168.10.104:5060
192.168.10.104:80
Applications
Snom 190
192.168.10.101
Snom 190
192.168.10.105
choose the choice…
10
snom Training
Installation snom 4S PR (Windows 1a)
– Start setup
– Input your preferred ports
choose the choice…
11
snom Training
Installation snom 4S PR (Windows 1b)
– Launch 4S PR / login in: admin / NO PASSWD
choose the choice…
12
snom Training
Installation snom 4S PR (Windows 2)
– Make sure service is running
choose the choice…
13
snom Training
Installation snom 4S PR (Windows 3)
– Quick phone configuration
choose the choice…
14
snom Training
Installation snom 4S PR (Windows 3)
– Quick phone configuration
choose the choice…
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
choose the choice…
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’
choose the choice…
17
snom Training
Installation snom 4S PR (Windows 4)
– CALL succesful!
choose the choice…
18
snom Training
Installation snom 4S PR (Windows 4)
– Add User manually
– Domains / click / Add Normal User / Add / Show List
choose the choice…
snom Training
19
Basic Training (3)
• Lesson 3: Installation snom 4S MS
– Windows: Install Wizard
– Linux: RPM archive
– License / System / Webserver / SIP / codecs
estimated time up to 1 hour!
• Lesson 4: setup snom 4S MS
– MOH
– Mailbox
– Conference
– phone config
CALL (Mailbox) and Call-Conference
estimated time up to 1 hour!
choose the choice…
20
snom Company Presentation
“Hello snom 4S MS” scenario
snom
4S Media Server
192.168.10.104:5060
192.168.10.104:8080
Applications
Snom 190
192.168.10.101
Snom 190
192.168.10.105
Music on hold moh
Conference 590
Automatic mailbox
choose the choice…
21
snom Training
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
choose the choice…
22
snom Training
Installation snom 4S MS (Windows error 1)
– Wizard Hangs after installation
– Port input window is hidden somewhere on desktop!
choose the choice…
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
choose the choice…
24
snom Training
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
choose the choice…
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’
choose the choice…
26
snom Training
Installation snom 4S MS (Settings)
• License / System / Webserver / SIP /codecs
choose the choice…
27
snom Training
Installation snom 4S MS (Conference)
• Create Conference account
• Accounts / Add (conference) #590 / edit
choose the choice…
28
snom Training
Installation snom 4S MS (Conference)
• Dial 590 and enjoy the conference voice!
choose the choice…
29
snom Training
Installation snom 4S MS (MOH)
• Create MOH account
• Accounts / Add (music on hold) #moh / edit
choose the choice…
30
snom Training
Installation snom 4S MS (MOH)
• Configure your phone
• Put call on hold and “listen to the music”!
choose the choice…
31
snom Training
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)
choose the choice…
32
snom Company Presentation
“internal IP PBX” scenario
snom
4S Registrar/Proxy
192.168.10.104:5060
192.168.10.104:80
Register
192.168.10.104:5060
snom
4S Media Server
192.168.10.104:5061
192.168.10.104:8080
Applications
Snom 190
192.168.10.101
Snom 190
192.168.10.105
Music on hold moh
Conference 590
Automatic mailbox
192.168.10.104:5060
choose the choice…
snom Training
33
Installation snom 4S MS (Linking)
• Linking Media-Server to snom 4S proxy
• Domain / Settings
choose the choice…
34
snom Training
Installation snom 4S MS (Linking)
• Register Conference account with proxy in MH
• Accounts / 590 edit
choose the choice…
35
snom Training
Installation snom 4S MS (linking)
• Register MOH acccount with proxy in MS
• Accounts / moh edit
choose the choice…
36
snom Training
Installation snom 4S MS (Mailbox MWI)
• Media Server DNS Identity
• For MWI destination
choose the choice…
snom Training
37
Installation snom 4S MS (Mailbox)
• Create a Mailbox Template on the MS
choose the choice…
snom Training
38
Installation snom 4S MS (Mailbox)
• Create several mailbox accounts
choose the choice…
snom Training
39
Installation snom 4S MS (Mailbox)
• Account / Edit
• Set MWI destination = account number
choose the choice…
snom Training
40
Installation snom 4S MS (Mailbox)
• Account / Edit
• Set MWI destination = account number
choose the choice…
snom Training
41
Installation snom 4S MS (Mailbox)
• Edit mailbox account
• Register: 100
• What happens?
choose the choice…
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!
choose the choice…
43
snom Company Presentation
“PSTN break-out IP PBX” scenario
snom
4S Registrar/Proxy
192.168.10.104:5060
192.168.10.104:80
PSTN Gateway
(intern.gateway.com)
Register
192.168.10.104:5060
snom
4S Media Server
192.168.10.104:5061
192.168.10.104:8080
Applications
Snom 190
192.168.10.101
Snom 190
192.168.10.105
Music on hold moh
Conference 590
Automatic mailbox
192.168.10.104:5060
choose the choice…
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
choose the choice…
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
choose the choice…
46
snom Training
Advanced snom 4S PR (Gateway)
• Dial Plan
• Forward all UAs (From: *)
• If they dialed 911 (To:911@~*)
• And call 911 via PSTN
(Argument: sip:911@intern.gateway.com)
choose the choice…
47
snom Training
Advanced snom 4S PR (Gateway)
• 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)
choose the choice…
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 100
CALL hunt@192.168.10.104
choose the choice…
snom Training
49
Advanced Training snom 4S MS
• Advanced Lesson: snom 4S MS
– auto attendant
– ACD
estimated time up to 1 hour!
choose the choice…
50
snom Training
Advanced snom 4S MS (Auto Attendant)
• Create Account / Add Auto Attendant / edit
choose the choice…
51
snom Training
Advanced snom 4S MS (Auto Attendant)
• Edit auto
• 1: call 100
• 2: call 101
• 3: call 102
choose the choice…
52
snom Company Presentation
Applications: IP PBX ITSP Bundle
ITSP
snom
4S Registrar/Proxy
4S Media Server
Applications
PSTN Gateway
(e.g. Sonus)
SIP-aware Firewall
(e.g. Ingate)
DSL
401@snomag.de
cs@snomag.de
choose the choice…
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
choose the choice…
54
snom Training
Advanced snom 4S MS (ACD)
• Automatic call distribution / IP-Gateway
PSTN Gateway
(e.g. Sonus)
ITSP
Snom3
Account x
(blueSIP)
snom
4S Media Server
4S Proxy Server
choose the choice…
snom Training
55
Advanced snom 4S MS (ACD)
• inbound calls
ITSP
#+49 89 721010 52612
snom
4S NAT Filter /
SBC
snom
4S Media Server
4S Proxy Server
ACD 700
Connects inbound call to
100 101
choose the choice…
56
snom Training
Advanced snom 4S MS (ACD)
• Add Account / ACD / edit
• Use ITSP account as IP-Gateway
• Incoming calls are redirected to 100 and 102
• Both phones ring!
choose the choice…
57
snom Training
Advanced snom 4S MS (ACD)
• outbound calls / special prefix for outbound call
ITSP
xxxx Number
snom
4S NAT Filter /
SBC
snom
4S Media Server
4S Proxy Server
MS ACD 700 connects to ITSP via SBC
MS Dial Plan redirects all calls to
700
Proxy Dial Plan redirects 01011xxxx calls to
Snom 4 MS
choose the choice…
58
snom Training
Advanced snom 4S MS (ACD)
• 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)
choose the choice…
59
snom Training
Advanced snom 4S MS (ACD)
• Take forwarded calls from snom 4 PR
• all outgoing calls use the 700 (ACD) – IP Gateway
• NOT existing UA 100, 101, 102
choose the choice…
60
snom Training
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
choose the choice…
61
snom Company Presentation
Products: 4S Registrar/Proxy and 4S Media Server
• 4S Registrar/Proxy
snom 4S
Complete
VoIP Telephony
Solutions
–
–
–
–
–
–
–
–
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
choose the choice…
snom Company Presentation
62
Products: 4S NAT-Filter/SBC
Why 4S NATFilter/SBC
•No updates necessary
for new applications
•No updates for new
user agents
•No vendor
dependency
•Inherent scalability
•Stateful inspection
•Outbound4S
proxy path
snom
optimization
Complete
•ICE support
VoIP
Telephony
Solutions
•NAT support
• 4S NAT-Filter/SBC
– Public Internet SIP NAT
Solution
– Comatible with all RFC3261compliant 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
choose the choice…
snom Training
63
Debugging phone problems (1)
– First check the SIP Trace for problems:
choose the choice…
64
snom Training
Debugging phone problems (2)
– If the SIP Trace is empty check the DNS cache:
choose the choice…
65
snom Training
Debugging phone problems (3)
– 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
choose the choice…
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
choose the choice…
67
snom Training
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
choose the choice…
68
snom Training
Debugging phone problems (4)
– 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
choose the choice…
69
snom Training
SIP Introduction: Registration (1)
Proxy
(Registrar)
Phone
REGISTER
200 OK
choose the choice…
70
snom Training
SIP Introduction: Registration (2)
Proxy
(Registrar)
Phone
REGISTER
401 Unauthorized
REGISTER
200 OK
choose the choice…
71
snom Training
SIP Introduction: Start basic call
Proxy
(Registrar)
1. Phone
INVITE
2. Phone
INVITE
180 Ringing
180 Ringing
180 Ringing
180 Ringing
200 OK
200 OK
ACK
ACK
Media (RTP)
choose the choice…
72
snom Training
SIP Introduction: Cancel a call attempt
Proxy
(Registrar)
1. Phone
INVITE
180 Ringing
CANCEL
200 OK
487 Terminated
ACK
2. Phone
INVITE
180 Ringing
CANCEL
200 OK
487 Terminated
ACK
choose the choice…
73
snom Training
SIP Introduction: Terminate a call
1. Phone
2. Phone
Media (RTP)
Proxy
(Registrar)
BYE
BYE
200 OK
200 OK
choose the choice…
snom Training
74
Basic Training (3)
• Lesson 5: phones
– Preferences und Advanced Settings
– TFTP / Firmware Updates (Release Notes)
– settings log
estimated time up to 1 hour!
choose the choice…
75
snom Company Presentation
Applications: IP Centrex model (ISPs)
snom
4S Registrar/Proxy
4S Media Server
PSTN Gateway
(e.g. Sonus)
DSL
Applications
DSL
Power
Cable
cs@aol.msn.yahoo.de
cs@snom.de
Christian.Stredicke@isp.com
choose the choice…
76
snom Company Presentation
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
choose the choice…
77
snom Company Presentation
Snom provisioning
Customer ssh account
Welcome, arcor190! Type help for help.
==> help
Welcome to the snom configuration tool.
You may use the following commands:
Snom.Com
ProvDB
Domain1
Domain2
Domain3
LAN
Firewall
NAT solved
Domain1
MACxx1
MACxx2
MACxx3
LAN
snom Box
Snom PR
Snom Media
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)
==> list
000413101214 00041310123C
LAN
Phone
Registered
Phone
MACxx1
Domain1 config
Domain 1 FW
Phone
Phone
FAX
ATA
choose the choice…
Cordless
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
choose the choice…
snom Company Presentation
79
Contact
snom technology AG (HQ)
Pascalstr. 10B
10587 Berlin
Germany
Tel.: +49-30-39833-0
Fax: +49-30-39833-111
Mail: support@snom.com
Internet: www.snom.com
choose the choice…
© 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 info@snom.com
Pascalstr. 10B, 10587 Berlin, Germany.