Siemens optiPoint application module User Manual download pdf (Page 5)

From entry-level to executive, always

the right solution for your company

No matter what technology you use today –

or want to use tomorrow – Siemens Enterprise

Communications offers you devices that

always fit.

SIP telephony

SIP telephones use the Session Initiation Protocol (SIP)

to communicate with all the components in the

network. Integration into the open, Internet-based

structure of SIP communication networks makes

it possible to implement new features quickly and

simply. Thanks to the SIP standard, all SIP telephones

support a wide variety of SIP communication systems

and can give the demanding user access to business

applications.

IP telephony

With IP telephony or communication over IP, the

Internet protocol enables voice communication in

real time using the existing data network. Digitized

speech is compressed, packetized, transmitted, and

re-converted at the receiver’s end. Unauthorized

access to voice traffic is prevented via security features,

such as encryption and authentication mechanisms.

An IP phone is just as easy to use as a traditional

phone, but enables flexible office concepts and

seemless integration with soft clients.

TDM telephony

Traditional phone devices are targeted towards

customers who wish to keep their current telephony

solution, but want a high level of functionality and

style. Time Division Multiplexing is a mature technol-

ogy which requires a physical end-to-end connection

to be set up between two phones. The voice data

is carried by this connection.

TDM

SIP

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Siemens optiPoint application module User Manual Page 5