Note: The ATA 186 registers for the two voice ports separately. The ATA 186, therefore, gets authenticated twice as different H.323 terminals, as shown in this debug:

4w4d: AAA/AUTHEN/CONT (3800768902): continue_login (user='atagw1')

4w4d: AAA/AUTHEN (3800768902): status = GETPASS

 

4w4d: AAA/AUTHEN/CONT (3800768902): Method=LOCAL

 

4w4d: AAA/AUTHEN

(3800768902): status

= PASS

 

4w4d: AAA: parse

name=<no string> idb

type=−1

tty=−1

4w4d: AAA/MEMORY: create_user (0x83149EFC) user='atagw2'ruser='NULL' port='NULL' rem_addr='NULL' authen_type=ASCII service=LOGIN priv=0 initial_task_id='0'

4w4d: AAA/AUTHEN/START (294225678): port='' list='h323' action=LOGIN service=LOGIN

4w4d: AAA/AUTHEN/START (294225678): found list h323

4w4d: AAA/AUTHEN/START (294225678): Method=LOCAL

4w4d: AAA/AUTHEN (294225678): status = GETPASS

4w4d: AAA/H323: Password:

4w4d: AAA/AUTHEN/CONT (294225678): continue_login (user='atagw2')

4w4d: AAA/AUTHEN (294225678): status = GETPASS

 

4w4d: AAA/AUTHEN/CONT (294225678): Method=LOCAL

 

4w4d: AAA/AUTHEN

(294225678): status = PASS

 

4w4d: AAA: parse

name=<no string> idb type=−1

tty=−1

4w4d: AAA/MEMORY: create_user (0x831910C0) user='3660' ruser='NULL' port='NULL' rem_addr='NULL' authen_type=ASCII service=LOGIN priv=0 initial_task_id='0

For more troubleshooting examples, refer to Troubleshooting Gatekeeper Registration Issues.

Troubleshoot the ATA 186

When you are working with third−party gatekeepers and gateways, the troubleshooting tool on the ATA 186 is very helpful. To enable the ATA 186 troubleshooting tool, follow these steps:

1.In the ATA Nprintf field, configure the IP address of the PC which is on the same subnet as the ATA 186.

2.The port specified after the address must be 9001.

3.At the DOS prompt on the PC, issue the preserv.exe program.

You can download the preserv.exe program from the Cisco Software Center ( registered customers only) .

The preserv.exe program is included in the latest ATA 186 software release ZIP file.

Sample Debugs for Calls Made from the ATA 186

D:\Documents and Settings\sshafiqu\My Documents\voice\ata>prserv.exe

GK<−1: KPA−RRQ:300 sec

GK−>1: RCF:TTL 300

!−−− ATA was reset after the gatekeeper configuration was added.

WStop:0

Wed Feb 06 19:06:54 2002 Hello from 171.69.85.90(0) Build 1109a: v2.12 ata186

Successfully Registered with the Gatekeeper GK zone<gk2>172.16.13.12: 3000

GK zone:gk2

0x13e138 delayed RRQ: 48 ticks: 300

GK zone<gk2>172.16.13.12: 3001 GK zone:gk2

0x141e58 delayed RRQ: 56 ticks: 300

BMK : gk2

GK<−1: KPA−RRQ:300 sec

BMK : gk2

GK<−0: KPA−RRQ:300 sec

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Cisco Systems ATA 186 manual Troubleshoot the ATA, Sample Debugs for Calls Made from the ATA

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.