1. DDI for mobile networks
Increase your profits by
offering a range of phone
numbers on your SIM
Do you plan to sell GSM gateways? Are your customers complaining about displaying
a SIM card number instead of an original extension number? We have the perfect
solution for you. This service is common for ISDN and VoIP networks and is known
as Direct Dial-In (DDI), or Direct Inward Dialing (DID). Now you can provide the same
service from your mobile networks.
DDI for mobile networks (GSM DDI) allows the PBX extensions direct outbound cal-
ling capability with the identification of their extension number. Inbound calls are
then routed directly to a particular extension. All this whilst maintaining only a limi-
ted number of SIM cards to satisfy the average concurrent usage of the customer.
Benefits to providers:
• Provide the comfort of a fixed network in GSM/UMTS networks
• Obtain more customers and revenues
• Technological leadership in your market
• Compatible with all PBX’s
Benefits to customers:
• Cost saving solution
• New PBX service without the need to upgrade your current PBX
• SMS sending/receiving
If you are interested in our product please call +420 261 301 500 or email us at sales@2n.cz.
To get more information visit www.2n.cz.

2. Offer range of phone numbers on your SIM(s)
GSM DDI - a simple way to directly reach any extension you want
User‘s Side Network Core
GSM/UMTS
2N® DDI Platform
112
2N® DDI Gateway 261 301 112 602 602 602/ 112
602 602 602
Analog, BRI, PRI, SIP MSC
MSC
PBX
111 112 299 Calling to
261 301 112
2N® DDI Gateway 2N® DDI Platform
• Intelligent CLI modification • DB connected via DSS1 to MSC
• Compatible with all PBX‘s • Intelligent CLI modification
• Analog • SIM hunting
• BRI • One number reach
• PRI • Modular system
• SIP • Up to 1 000 000 channels
• Useful services • Min. step 120 channels
• IVR • Redundancy for back-up
• Sending/receiving SMS
References:
„Made in Europe“ for quality
–the 2N® DDI platform is manufactured in 2N’s ISO9001 certified production facility.
Start testing tomorrow!
For more information call +420 261 301 500
or send an e-mail to sales@2n.cz
2N TELEKOMUNIKACE a.s.
Modřanská 621, 143 01 Prague 4, Czech Republic, Tel.: +420 261 301 500, E-mail: sales@2n.cz, www.2n.cz