Cisco Systems ATA 188, ATA 186 manual NumTxFrames, Examples, LBRCodec, RxCodec, TxCodec

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Chapter 5 Parameters and Defaults

Audio Configuration Parameters

NumTxFrames

Description

Use this parameter to select the number of frames per packet that the Cisco ATA transmits:

The frame size for each G.729 data packet is 10 ms.

The frame size for each G.723 data packet is 30 ms.

Note The frame size for G.711 is fixed at 20 ms per packet and is not configurable.

Examples

To obtain 60 ms of G.723 audio, set the parameter value to 2.

To obtain 120 ms of G.723 audio, set the parameter value to 4.

Note Cisco recommends using the default value of 2.

Value Type

Integer

Range

1-6

Default

2

Voice Configuration Menu Access Code

35

Related Parameters

LBRCodec, page 5-23

RxCodec, page 5-22

TxCodec, page 5-22

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for H.323 (version 3.0)

 

OL-4804-01

5-25

 

 

 

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Contents Parameters and Defaults Configuration Text File Template This section contains only one parameter-UIPassword UIPasswordUser Interface UI Security Parameter Sections that follow describe these parametersUseTFTP Parameters for Configuration Method and EncryptionRelated Parameters TftpURLUseTFTP, CfgInterval, CfgInterval DefaultEncryptKey UseTFTP, TftpURL,320 EncryptKeyExUseTFTP, TftpURL, EncryptKeyEx, Dhcp Network Configuration ParametersNot applicable for this parameter UseTFTP, TftpURL, EncryptKey,StaticIp Voice Configuration Menu Access Code Related ParametersStaticRoute DHCP, StaticRoute, StaticNetMask,Ntpip StaticNetMaskDHCP, StaticIp, StaticNetMask, 255.255.255.0DNS1IP AltNTPIPAltNTPIP, TimeZone, NTPIP, TimeZone,DNS2IP VLANSettingOpFlags, AltGk, AltGkTimeOut, GkTimeToLive, GkId, Disables gatekeeper-routed callsParameters GkOrProxyGkId Default RangeGkTimeToLive AltGk251 AltGkTimeOutAltGk, ConnectMode, page 5-32-Bit This parameter is the password for the Phone 1 port UID1, PWD0, PWD1, UseLoginID, LoginID0, LoginID1,UID0 PWD0UID1 UID0, PWD0, PWD1, UseLoginID, LoginID0, LoginID1,This parameter is the password for the Phone 2 port LoginID0PWD1 UseLoginID LoginID1LoginID1, PWD0, PWD1, UseLoginID, AutMethod, LoginID0, PWD0, PWD1, UseLoginID, AutMethod,LoginID0, LoginID1, PWD0, PWD1, NTPIP, AltNTPIP, Range Default Voice Configuration Menu Access CodeAutMethod GatewayRange Default Audio Configuration ParametersMediaPort 16384RxCodec TOS, VLANSetting,TxCodec LBRCodec, NumTxFrames, TxCodec, AudioMode,LBRCodec, NumTxFrames, RxCodec, AudioMode, LBRCodec300 AudioMode, page 5-24-Bits 1 TxCodec, RxCodec, NumTxFrames,LBRCodec, ConnectMode, RxCodec, AudioModeBit Number Definition Examples NumTxFramesLBRCodec, RxCodec, TxCodec, TOS Operational Parameters0x0000A8B8 255CallerIdMethod, CallFeaturesBit Number CallFeatures, CallCmd, CallerIdMethod, SigTimer, PaidFeatures315 Call waitingCallCmd CallFeatures, PaidFeatures, CallerIdMethod, SigTimer,Call Waiting Caller ID Maximum of 248 characters317 FeatureTimerSigTimer FeatureTimer2ConnectMode Use fast-start procedure for H.225/Q.931 Use slow-start procedure for H.225/Q.931 and H.245Disable/enable h245 tunneling Disable/enable fax pass-through redundancyOpFlags TftpURL, DHCP, VLANSetting,OpFlags Parameter Operational Features to Turn On or Off TimeZone 302 Telephone Configuration ParametersAdditional Description NTPIP, AltNTPIP,CallerIdMethod 0x00019e60 Polarity316 FXSOutputLevel FXSInputLevel304 To 2 dBTone Parameter Syntax-Basic Format Tone Configuration ParametersRingOnOffTime, Parameters and Defaults Tone Configuration Parameters Extended Format a Tone Parameter Syntax-Extended FormatsEach tone is specified by 11 integers, as follows Cadence With Two On-Off Pairs Extended Format BCadence with Three On-Off Pairs ReorderTone Parameter Example1 Component Setting ExplanationReorderTone Parameter Example Recommended Values Default values using the Basic formatSpecific Tone Parameter Information DialToneReorderTone BusyToneCallWaitTone RingbackTone922 923AlertTone RingOnOffTimeDialPlan Dial Plan ParametersRecommended Values DialPlan, DialPlanEx, IPDialPlan,Dial Plan Commands, Dial Plan Rules, Dial Plan Examples, Dial Plan CommandsCisco ATA supports the following dial plan rules Dial Plan RulesSyntax Example‘P’ Rule to Support Dial Prefix Call Prefix prefix+num is shown in the prserv log Log InformationThis rule is for blocking call numbers This rule blocks call numbers beginning with 1900 orSCC CmdCLIP or CLIPnum are shown in the prserv log ‘X’ Rule for Call Blocking and Call Forwarding BlockingFollowing dial plan Dial Plan ExamplesFollowing dial plans Dial Plan ExampleDialPlanEx Diagnostic ParametersIPDialPlan 310SyslogIP NPrintfExtended IP address 0.0.514Bit Number Type of Messages to Trace SyslogCtrlCFGID-Version Parameter for Cisco ATA Configuration File OL-4804-01
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ATA 188, ATA 186 specifications

The Cisco Systems ATA 186, or Analog Telephone Adapter, revolutionized the way traditional telephony interacted with Voice over Internet Protocol (VoIP) systems. Designed primarily for home and small office use, the ATA 186 allows users to connect standard analog phones and fax machines to a network, enabling them to take advantage of the benefits of VoIP technology.

One of the defining features of the ATA 186 is its dual port architecture. It includes two FXS ports, allowing users to connect up to two analog telephones. This functionality means that multiple devices can leverage VoIP services simultaneously without the need for separate adapters for each phone. The flexibility of the ATA 186 helps streamline the user experience, facilitating voice communication over an IP network while ensuring users can still use their existing phone equipment.

The ATA 186 employs various technologies to maintain high-quality voice calls. It supports standard voice codecs such as G.711 and G.729, which ensure efficient bandwidth usage while preserving call clarity. The adaptive jitter buffer technology further enhances call quality, compensating for network variations and minimizing latency, which is crucial for clear and uninterrupted conversations.

Additionally, the ATA 186 provides users with advanced calling features that were traditionally available only on PBX systems. These features include caller ID, call waiting, and voicemail functionality, integrating seamlessly with typical telephony services. The device also supports T.38 fax relay, allowing users to send and receive faxes over the internet, thus addressing the needs of environments where fax communication remains essential.

The security of VoIP conversations is also a priority for the ATA 186. It employs encryption protocols such as Secure Real-time Transport Protocol (SRTP) and Transport Layer Security (TLS), ensuring that voice data is securely transmitted across the network. This focus on security helps protect sensitive information transmitted during calls.

Installation and configuration of the ATA 186 is streamlined, with an intuitive web-based interface that simplifies the setup process. This accessibility makes it suitable for users with varying levels of technical expertise, as frequently required adjustments, such as network configurations and firmware updates, can be easily managed.

In conclusion, the Cisco Systems ATA 186 stands out as a versatile and robust solution for users looking to integrate analog phones into a VoIP environment. With its dual port capabilities, high-quality voice codecs, advanced call features, and security measures, it offers a compelling choice for both residential and commercial users seeking seamless telephony integration. As technology evolves, devices like the ATA 186 remain cornerstones in bridging traditional telephony with modern communication systems.