Nokia and Siemens are jointly defining specifications
for an open standard to speed the adoption of direct-call
push to talk service over GPRS.
to talk is a cost-efficient, simple-to-use direct voice
service for GPRS-based systems that has attracted the
interest of leading operators. The technology uses the
capabilities of the IP multimedia subsystem (IMS) as specified
by 3GPP for enabling IP connections between mobile phones.
Initial trials are expected to begin in the second half
specifications created through this collaboration will
be submitted to relevant industry bodies in order to create
a standard that will avoid fragmentation and establish
a unified push to talk over GPRS market with the same
economies of scale that made GSM a global success. The
interoperable technology resulting from this work will
allow mobile phones and networks to be used for push to
talk communication using a variety of radio access networks.
Nokia and Siemens are also inviting mobile network operators
and other manufacturers to join them in creating an open,
multi-vendor market for push to talk in the GSM evolution
path (GSM / GPRS / EDGE / WCDMA) by developing products
and services based on the open standard they are defining.
Wireless supports this joint initiative. Our goal is to
connect our customers to the people and information they
care most about, says Rod Nelson, CTO, AT&T
Wireless. This new service, which will open to a
broad audience, is another way to connect and is an example
of how the scale and flexibility of GSM / GPRS / EDGE
leads to new and cost-effective services.
Wireless is in support of this cooperation and is evaluating
push to talk technology for its customers. We are
always looking for new service offerings like push to
talk that allow our customers to quickly and simply connect
to others, says Mike Dobbs, vice-president of product
management at Cingular. The standards-based approach
taken by these manufacturers will allow carriers to ultimately
deliver this service to the largest market in the most
efficient and effective way.
collaboration will ensure that push to talk builds on
the future proofed and standardised third generation core
network IMS, says Dr Jan Uddenfeldt, senior vice-president,
technology, Ericsson. It will only have to be integrated
once and is easily maintained, which brings great cost
benefits to the operators. It demonstrates the importance
of open standards for which Ericsson has always been a
to talk provides cellular operators with a completely
new means of connecting people, says Dr J T Bergqvist,
executive vice-president, Nokia. It is an attractive
option for instant voice communication, complementing
present dialled voices services. Push to talks immediate
type of communications can reach individuals or groups,
and it can also be used to enable direct voice communication
with other IMS-based services, such as interactive gaming.
GPRS and 3G mobile network operators, having more than
800 million customers today, can easily implement push
to talk capability with a low level of additional investment
to their existing networks.
to talk services to be deployed on existing GPRS
and future 3G networks will provide great value
to both business users and consumers, and thus will help
operators generate additional revenues, reinforces
Harry Strasser, CTO and senior vice-president, end-to-end
solutions, Siemens Information and Communication Mobile.
applications will enable operators to differentiate themselves
from other players in the increasingly competitive landscape
of mobile multimedia services. The IMS will provide the
IP-based control and will especially enable operators
to leverage some of their key strengths for example,
location information and presence to provide end-users
with a truly new customer experience, he adds.