GK−>1: RCF:TTL 300

GK−>0: RCF:TTL 300 SCC−>(0 0) <cmd 0>

3000 active @0xab45555a (GK @0xac100d0c)

!−−− Call made from voice port 0.

[0]DTMF 1 [0]DTMF 2 [0]DTMF 3 [0]DTMF 4 [0]DTMF # Calling 1234 SCC−>(0 0) <cmd 16> CLIP\

\SCC−>(0 0) <cmd 2> \<0 0> dial<1234>

GK<−0: ARQ: 0

GK−>0: ACF:0:direct call

IRR in 240 sec

CallRasCallBack: 1 33e15eb 33e206b 33e39b0 Connect to <0xac100d28 1720>>..

>>>>>>>> TX CALLER ID : 0x1

0x80 6

Q931<−0:Setup:CRV 25006 Q931−>0:Proceeding Connect H245...

H245 TCP conn ac100d28 11006 CESE/MSDSE start:<0 0 0 0> capSize = 3

H245−>0:Cese RemoteInputCap <15 5> RemoteInputCap <15 4> RemoteInputCap <15 1> RemoteInputCap <4 11> MODE FRAME : 11 2 RemoteAudioCap <4 10>

Capability set accepted H245−>0:MSD: <rn tt> = <0x269c 60> H245−>0:CeseAck

H245−>0:MsdAck

h323.c 1837: cstate : 3 −>H245<0> OLC H245<−0:LcseOpen

set TX audio to G729/G729A 2 fpp SetG723Mode: 2 0 H245−>0:LcseOpen

H245−>0:OLC mode 10

remote OpenLogicalReq G711/G729(10) : 2 fpp OpenRtpRxPort(0,0x0,4000):14

RTP Rx Init: 0, 0 RTP−>0:<0xab45555a 4000> H245−>0:LcseOpenAck RTP<−0:<0xac100d28 17304> [0]Enable encoder 18

RTP TX[0]:SSRC_ID = 4af964c0 RTP Tx Init: 0, 0

[0]DPKT 1st: 861812319 861812079, pt 18 Enable LEC adapt [0]=1 H323Dispatcher : 3 3

[0]Received pi=8 in q931 Q931−>0:Progress Q931−>0:Connect SCC:ev=12[0:0] 3 0 Q931−>0:ReleaseComplete: reason 16, tone = 13 H245<−0:EndSessionCmd 1

0: Close RTPRX

Page 12
Image 12
Cisco Systems ATA 186 manual GK−0 ARQ GK−0 ACF0direct call

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.