Chapter 17-IVR Services

Inviting Participants using DTMF

A participant in a video or audio conference can invite another participant to the conference using the touch-tone DTMF numeric keypad on the participant’s endpoint. You can invite a participant using various communication devices, such as a mobile phone, an IP phone, PSTN phones, laptops, or connect to another conference running on another PBX or MCU.

Invite Call Flow

The following flow describes how a participant is invited to the conference using the DTMF codes:

1During the conference, the participant enters the DTMF code (default is *72) on the numeric keypad to invite another participant.

2The participant is prompted to enter the invited participant’s destination number (a number or IP address) including the prefix (if required) and the DTMF delimiter digit (‘*’ or ‘#’) at the end. The asterisk (‘*’) is used to denote the dot in the IP address.

For example: To enter an IP address such as 10.245.22.19, on the DTMF keypad press 10*245*22*19 and then the DTMF delimiter.

Digits that are entered after the DTMF delimiter and before the participant is connected are ignored.

3The system automatically dials to the destination according to the protocol order as defined in the IVR Services Properties - Video Services tab.

When the call cannot be completed by the current protocol, the system attempts to connect to the destination using the next protocol according to the protocol order. The RMX connects the participant when the call is answered.

4The last invited participant can be disconnected when the inviting participant enters the DTMF code (default is #72) on the numeric keypad.

Entering Additional DTMF Codes

In some environments, the call is answered by an IVR system (for example when connecting to another conference or PBX), requesting a password or a destination number to complete the connection process. In such a case, additional DTMF digits must be entered before the DTMF forward duration time has expired and are forwarded to the invited destination. When the additional DTMF codes are entered, they are heard by all the conference participants.

If the DTMF code is not entered on time or if the wrong DTMF code is entered, the participant is prompted for a new input. After the defined number of retries have elapsed, the call is ended.

Error Handling

•If the destination endpoint is busy or the participant did not answer, the system ends the call.

•When an incorrect number is entered, the call fails and an error message is displayed.

•If the destination number is not entered in a specific amount of time (defined in Timeout for user input in the IVR Services - Global tab), the participant is prompted to enter a destination number again. Depending on the Number of user input retries as

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DOC2702A, RMX 1500 specifications

The Polycom RMX 1500, also known by its model number DOC2702A, is a significant player in the realm of video conferencing technology. Designed to enhance collaboration across various platforms, this versatile solution caters to the communication needs of medium to large enterprises, providing high-quality video, voice, and content sharing experiences.

One of the primary features of the RMX 1500 is its unparalleled scalability. The system supports up to 150 simultaneous video endpoints, allowing organizations to expand their video conferencing capabilities as needed. This flexibility makes it an ideal solution for growing businesses that require robust communication tools. The RMX 1500 can also handle a variety of video resolutions, from standard definition to HD, ensuring that users can enjoy clear and crisp visuals during their meetings.

The Polycom RMX 1500 utilizes advanced technologies such as the Polycom RealPresence technology, which significantly enhances video quality and reliability. This technology incorporates features like Adaptive Bandwidth Management, which optimizes video streams based on available bandwidth, thus ensuring a seamless experience even in less-than-ideal network conditions. This ensures that users can engage in meetings without interruptions or quality degradation, regardless of their location.

Another notable characteristic of the RMX 1500 is its robust interoperability with a wide range of video conferencing systems and protocols. This means that businesses can easily connect with partners, clients, and colleagues using different systems, reducing the barriers to effective communication. The RMX 1500 supports various codecs and standards, including H.323 and SIP, making it a versatile choice for organizations that work with multiple platforms.

Furthermore, the RMX 1500 is equipped with tools for content sharing, allowing participants to share presentations, documents, and other materials during meetings. This promotes interactive discussions and enhances collaboration among team members. In addition, the system features an intuitive user interface, making it easy for users to schedule meetings, manage participants, and control audio and video settings.

The product also places a strong emphasis on security, providing encryption options for video and audio streams to protect sensitive information shared during conferences. This commitment to security is essential for organizations that need to meet compliance standards and safeguard intellectual property.

In summary, the Polycom RMX 1500 (DOC2702A) is a powerful video conferencing solution that combines flexibility, scalability, and high-quality performance. With its advanced technologies, interoperability, content sharing capabilities, and emphasis on security, it serves as an invaluable tool for enhancing communication and collaboration in today’s fast-paced business environment.
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