We use PSWA card in which case?
Explain call flow for roaming mobile to roaming mobile?(Both users are belongs to same state but staying on roaming in different states)
In the early days of GSM the max TRX config was 4-4-4. Now that 6-6-6 is being used, using the signalling space for the extra required b/w, how does the signalling get managed?
What is a UPS?
What is the layered architecture of the internet?
Why the RSL of microwave link is in -ive?
8 Answers Ericsson, Intracom, Reliance, TCS, ZTE,
Explain ipv4 and ipv6 address bit?
How cdma is different from gsm?
Explain what is bts? What are its different configurations and what is the power consumption/peak current for each of these types of bts?
How much time is taken by 1 satellite hop in voice communication?
What is the general function o a BTS?
WHAT IS THE FREQUENCY BAND FOR 3G?
11 Answers AGNT, HCL, Nokia,
Explain the configuration of 4+4+4.