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Click, DTMF Tx Method, DTMF Tx Volume, for AVT Packet, Use Remote Pref, Codec, Codec Negotiation - phone manual

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Configuring Security, Quality, and Network Features Configuring Voice Codecs 5 Parameter Description DTMF Tx Method Select the method to transmit DTMF signals to the far end: InBand, audio video transport (AVT), INFO, Auto, InBand+INFO, or AVT+INFO. InBand sends DTMF using the audio path. AVT sends DTMF as AVT events. INFO uses the SIP INFO method. Auto uses InBand or AVT based on the outcome of codec negotiation. Defaults to Auto. DTMF Tx Volume for AVT Packet Allows you to manually configure the AVT Tx volume. The value of this parameter is inserted into the volume field of the payload in the AVT packet. Values are based on the AVT specification as described in RFC 2833, RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals. According to RFC 2833, the volume field is represented by 6 bits, and describes the power level of the tone, expressed in dBm0 after dropping the sign. Valid range for this parameter is 0 to 63. If the provisioned value is negative, it will be negated first. Thereafter, if the value is beyond the high limit of 63, it will be clipped to 63. The default value is 0, and is the recommended setting. However, some gateways do not accept this volume setting. If the gateway does not accept the value of 0, the DTMF tone is not relayed to the remote end. As a workaround for the phone to interoperate with those gateways, you can change the value to a value greater than 0. Use Remote Pref Codec If set to yes, the phone communicates using the remote phone's preferred codec. If set to no, the Cisco IP phone communicates using its own preferred codec (as indicated in the Preferred Codec field and in the SDP by order of preferences). The default vale is no. Codec Negotiation When set to Default, the Cisco IP phone responds to an Invite with a 200 OK response advertising the preferred codec only. When set to List All, the Cisco IP phone responds listing all the codecs that the phone supports. The default value is Default, or to respond with the preferred codec only. STEP 5 Click Submit All Changes. Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 145

Section	Page
Getting Started	13
Overview of the Phones	13
Cisco SPA500S Attendant Console	14
Network Configurations	15
Cisco SPA 9000 Voice System	16
Cisco Unified Communications 500 Series for Small Business	17
Other SIP IP PBX Call Control Systems	17
Prerequisites	17
Upgrading Firmware	18
Determining the Current Firmware Version	19
Determining Your IP Address	20
Downloading the Firmware	21
Installing the Firmware	21
Using the Web-Based Configuration Utility	22
Understanding Administrator and User Views	24
Accessing Administrative Options	25
Understanding Basic and Advanced Views	25
Using the Web Administration Tabs	25
Roadmap to Configuration Utility Features	26
Viewing Phone Information	29
Viewing Reboot Reasons	29
Using IVR on the Cisco SPA301 and Cisco SPA501G IP Phone	31
Configuring Lines and Extensions	35
Configuring Lines	35
Shared Line Appearances	35
Configuring a Line	36
Configuring Shared Line Appearance	37
Assigning Busy Lamp Field, Call Pickup, and Speed Dial Functions to Unused Lines on a Cisco SPA300 Series or Cisco SPA500 Series IP Phone	39
Configuring Unused Line Keys for Call Park on the Cisco SPA525G/525G2 (MetaSwitch)	42
Configuring Audio Indication for Call Pickup Event	42
Configuring Unused Line Keys to Access Services	43
Configuring Line Key LED Patterns on the Cisco SPA300 Series or Cisco SPA500 Series IP Phone	45
Configuring Extensions	47
Customizing Cisco SPA and Wireless IP Phones	49
Configuring Phone Information and Display Settings	50
Configuring the Phone Name	50
Configuring Voice Mail	50
Customizing the Startup Screen	51
Changing the Display Background (Cisco SPA300 Series and Cisco SPA500 Series)	53
Configuring the Screen Saver	54
Configuring the LCD Contrast	56
Configuring Back Light Settings (Cisco SPA525G/525G2)	57
Configuring Linksys Key System Parameters	57
Enabling Call Features	58
Enabling Anonymous Call and Caller ID Blocking Services	58
Enabling ACD Service	59
Enabling Call Back Service	59
Enabling Call Park and Call Pickup Services	60
Enabling Call Transfer and Call Forwarding Services	60
Enabling Conferencing	61
Enabling Do Not Disturb	61
Enabling the Missed Call Shortcut	62
Logging Missed Calls (Cisco SPA300 Series and Cisco SPA500 Series)	62
Enabling Paging (Intercom)	62
Enabling Secure Call	65
Enabling Service Announcements	65
Customizing Phone Softkeys	66
Programmable Softkeys	70
Configuration Example	71
Configuring the Message Waiting Indicator	73
Configuring Ring Tones	73
Configuring On-Demand Ring Tones (Cisco SPA525G/ 525G2)	75
User-Created MP3 Ring Tones (Cisco SPA525G/525G2)	75
Creating and Uploading Ring Tones Using the Ring Tone Utility (Cisco SPA30X and Cisco SPA50XG only)	75
Assigning a Ring Tone to an Extension	77
Configuring RSS Newsfeeds on the Cisco SPA525G/525G2 IP Phone	78
Configuring Audio Settings	79
Configuring Audio Input Gain (Cisco SPA300 Series and Cisco SPA500 Series)	79
Enabling Wireless (Cisco SPA525G/525G2 only)	80
Configuring Bluetooth (Cisco SPA525G/525G2 only)	80
Enabling Bluetooth (Cisco SPA525G/525G2)	81
Using a Bluetooth Headset (Cisco SPA525G/525G2)	82
Pairing Your Cisco SPA525G2 with a Bluetooth-Enabled Mobile Phone	83
Enabling SMS Messaging	85
Enabling the Web Server	87
Configuring Lightweight Directory Access Protocol (LDAP) for the Cisco SPA300 Series and Cisco SPA500 Series IP Phones	88
Configuring BroadSoft Settings (Cisco SPA300 Series and Cisco SPA500 Series)	93
Configuring BroadSoft Directory	93
Configuring Synchronization of Do Not Disturb and Call Forward on a Per Line Basis (Applicable to Broadsoft)	94
Configuring Broadsoft ACD Support	95
Configuring XML Services	96
Configuring Music On Hold	99
Configuring Extension Mobility	99
Configuring Video Surveillance on the Cisco SPA525G/525G2	100
Configuring the User Name and Account on the Camera	101
Entering Camera Information Into the Cisco SPA525G/525G2 Configuration Utility	101
Viewing the Video	102
Configuring SIP, SPCP, and NAT	103
Session Initiation Protocol and Cisco IP Phones	103
SIP Over TCP	104
SIP Proxy Redundancy	105
RFC3311 Support	105
Support for SIP NOTIFY XML-Service	106
Configuring SIP	106
Configuring SIP Parameters	106
Configuring SIP Timer Values	110
Configuring Response Status Code Handling	113
Configuring RTP Parameters	113
Configuring SDP Payload Types	115
Configuring SIP Settings for Extensions	117
Configuring SPCP on the Cisco SPA525G/525G2	128
Configuring SPCP on the Cisco SPA300 Series and Cisco SPA50XG	129
Network Address Translation (NAT) and Cisco IP Phones	129
NAT Mapping with Session Border Controller	130
NAT Mapping with SIP-ALG Router	130
Configuring NAT Mapping with a Static IP Address	130
Configuring NAT Mapping with STUN	131
Determining Whether the Router Uses Symmetric or Asymmetric NAT	132
Configuring Security, Quality, and Network Features	134
Setting Security Features	134
SIP Initial INVITE and MWI Challenge	135
SIP Over TLS	135
SRTP and Securing Calls	136
Ensuring Voice Quality	137
Supported Codecs	138
Bandwidth Requirements	139
Factors Affecting Voice Quality	140
SIP Publish Signaling Improvements	142
Configuring Voice Codecs	143
Configuring Domain and Internet Settings	147
Configuring Restricted Access Domains	147
Configuring DHCP, Static IP, and PPPoE Information	147
Setting Optional Network Parameters	150
Configuring VLAN Settings for IP Phones	152
Configuring Cisco Discovery Protocol (CDP)	152
Configuring Link Layer Discovery Protocol for Media Endpoint Devices (LLDP-MED)	153
Configuring the VLAN Settings	161
Configuring SSL VPN on the Cisco SPA525G/525G2	162
Configuring the VPN on the Security Appliance	163
Configuring the VPN on the Cisco SPA525G/525G2	164
Provisioning Basics	167
Provisioning Capabilities	168
Provisioning Configuration from Phone Keypad	168
IP Phone Configuration Profiles	170
Obtaining the SPC Tool	171
General Purpose Parameters	171
Sample Configuration File	171
Upgrading, Resyncing, and Rebooting Phones	172
Firmware Upgrade Parameters	173
Resyncing a Phone	175
Rebooting a Phone	175
Redundant Provisioning Servers	176
Retail Provisioning	176
Automatic In-House Preprovisioning	177
Configuration Access Control	177
Restricting User Access to the Phone Interface Menus (Cisco SPA300 and Cisco SPA500 Series)	178
Using HTTPS	179
Server Certificates	179
Client Certificates	180
Obtaining a Server Certificate	180
Advanced Scripting for Cadences, Call Progress Tones, and Ring Tones	182
Example 2: Distinctive Ring (short,short,short,long)	183
Call Progress Tones	185
Distinctive Ring Patterns	185
Control Timer Values (sec)	187
Configuring Supplementary Services (Star Codes)	188
Entering Star Code Values	188
Activating or Deactivating Supplementary Services	192
Vertical Service Announcement Codes (Cisco SPA300 and Cisco SPA500 Series)	193
Bonus Services Announcement description	193
Outbound Call Codec Selection Codes	195
Miscellaneous Parameters	195
DTMF Parameters	195
Localizing Your IP Phone	196
Managing the Time and Date	197
Configuring Daylight Saving Time	198
Selecting a Display Language	200
Creating a Dictionary Server Script	200
Configuring Dial Plans	202
About Dial Plans	202
Digit Sequences	203
Digit Sequence Examples	205
Acceptance and Transmission of the Dialed Digits	208
Dial Plan Timer (Off-Hook Timer)	209
Interdigit Long Timer (Incomplete Entry Timer)	210
Interdigit Short Timer (Complete Entry Timer)	210
Editing Dial Plans on the IP Phone	211
Resetting the Control Timers	213
Configuring the Cisco SPA500S Attendant Console	214
Cisco SPA500S Features	214
Setting Up the Cisco SPA500S Attendant Console	215
Configuring the Cisco SPA 9000 for the Cisco SPA500S	216
Configuring the BroadSoft Server for the Cisco SPA500S	217
Configuring the Asterisk Server for the Cisco SPA500S	217
Configuring the Cisco SPA500S	218
Unit/Key Configuration Scripts	219
Configuring BroadSoft Busy Lamp Field Auto-Configuration	223
Attendant Console Parameters	223
Monitoring the Cisco SPA500S	225
Cisco SPA500S Unit Monitoring Notes	225
Creating an LED Script	226
LED Script Examples	227
LED Pattern	227
Cisco SPA IP Phone Field Reference	229
Info Tab	229
System Information	230
Network Configuration (SPCP)	232
VPN Status (SPA525G/525G2 Only)	233
Product Information	233
Phone Status	234
Ext Status	235
Line/Call Status	236
Downloaded Ring Tone	238
System Tab	238
System Configuration	239
Internet Connection Type and Static IP Settings	241
Power Settings (SPA50X/)	242
PPPoE Settings (Cisco SPA525G/525G2 Only)	242
Optional Network Configuration	243
VLAN Settings	244
Wi-Fi Settings (Cisco SPA525G/525G2 Only)	245
Bluetooth Settings (Cisco SPA525G/525G2 Only)	245
VPN Settings (Cisco SPA525G/525G2 Only)	246
SIP Tab	246
SIP Parameters	247
SIP Timer Values (sec)	250
Response Status Code Handling	253
RTP Parameters	254
SDP Payload Types	256
NAT Support Parameters	259
Linksys Key System Parameters	261
Provisioning Tab	261
Regional Tab	261
Call Progress Tones	262
Distinctive Ring Patterns	265
Control Timer Values (sec)	266
Vertical Service Activation Codes	266
Vertical Service Announcement Codes	272
Outbound Call Codec Selection Codes	272
Time (Cisco SPA525G/525G2 Only)	275
Language (Cisco SPA525G/525G2 Only)	275
Miscellaneous	275
Phone Tab	280
General	281
Line Key	284
Miscellaneous Line Key Settings	285
Line Key LED Pattern	286
Supplementary Services	288
Ring Tone (Cisco SPA300 Series and Cisco SPA500 Series)	290
Ring Tone (WIP310)	292
Auto Input Gain (dB)	292
Multiple Paging Group Parameters	294
BroadSoft Settings	294
Lightweight Directory Access Protocol (LDAP) Corporate Directory Search	296
XML Service	299
Extension Mobility	299
Programmable Softkeys	300
Ext Tab	302
General	303
Share Line Appearance	303
NAT Settings	304
Network Settings	304
SIP Settings	305
Call Feature Settings	310
Proxy and Registration	312
Subscriber Information	314
Audio Configuration	315
Dial Plan	319
User Tab	319
Call Forward	320
Speed Dial	320
Supplementary Services	321
Camera Settings (Cisco SPA525G/525G2)	321
Web Information Service Settings (Cisco SPA525G/525G2)	321
Audio Volume	321
Screen (Cisco SPA525G/525G2)	322
Attendant Console Tab (Cisco SPA500 Series)	324
General	324
Unit 2	325
Attendant Console Status	325
Cisco SPA525G/525G2-Specific Tabs	326
Wi-Fi	326
Bluetooth	327
Personal Address Book	328
Call History	329
Speed Dials	329
Firmware Upgrade	329

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Configuring Security, Quality, and Network Features

Configuring Voice Codecs

Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide

145

STEP

Click

Submit All Changes

DTMF Tx Method

Select the method to transmit DTMF signals to the far end:

InBand, audio video transport (AVT), INFO, Auto, InBand+INFO,

or AVT+INFO. InBand sends DTMF using the audio path. AVT

sends DTMF as AVT events. INFO uses the SIP INFO method.

Auto uses InBand or AVT based on the outcome of codec

negotiation.

Defaults to Auto.

DTMF Tx Volume

for AVT Packet

Allows you to manually configure the AVT Tx volume. The value

of this parameter is inserted into the volume field of the

payload in the AVT packet.

Values are based on the AVT specification as described in RFC

2833,

RTP Payload for DTMF Digits, Telephony Tones and

Telephony Signals

. According to RFC 2833, the volume field is

represented by 6 bits, and describes the power level of the

tone, expressed in dBm0 after dropping the sign.

Valid range for this parameter is 0 to 63. If the provisioned

value is negative, it will be negated first. Thereafter, if the value

is beyond the high limit of 63, it will be clipped to 63.

The default value is 0, and is the recommended setting.

However, some gateways do not accept this volume setting. If

the gateway does not accept the value of 0, the DTMF tone is

not relayed to the remote end. As a workaround for the phone

to interoperate with those gateways, you can change the value

to a value greater than 0.

Use Remote Pref

Codec

If set to

yes

, the phone communicates using the remote

phone’s preferred codec. If set to

, the Cisco IP phone

communicates using its own preferred codec (as indicated in

the

Preferred Codec

field and in the SDP by order of

preferences). The default vale is no.

Codec Negotiation

When set to

Default

, the Cisco IP phone responds to an Invite

with a 200 OK response advertising the preferred codec only.

When set to

List All

, the Cisco IP phone responds listing all the

codecs that the phone supports. The default value is

Default

or to respond with the preferred codec only.

Parameter

Description