Q2. My SIM is blocked , how to reset it? 

Ans :- If you have Motorola handset, then

1. Dial **05*
2. Enter 8 digit PUK number
3. Enter 4 digit new PIN of your choice
4. Repeat the PIN

If you have any non- Motorola handset, then

1. Enter 8 digit PUK number
2. Enter 4 digit new PIN of your choice
3. Repeat the PIN

            For more details    click here

Q3. What is PUK?

Ans :-    It is PIN unlock Key. If you have pressed wrong PIN three times consequently, your SIM will block. You will have to enter PUK, which will be provided by service provider. Be careful while using PUK. If you enter wrong PUK 10 times consequently, your SIM will be blocked permanently.

  For more details   click here

Q4. Where to contact for bill related queries?

Ans :-   Please contact account Officer on telephone number 26525100 / 26526530 OR contact dolphin call center on 9869012345

Q5 . I am getting – ‘check operator services',how to solve this problem?

Ans:-   Go to option phone setup – select phone line as line 1 ( you   might  have  wrongly  selected  line 2 instead  of line 1).

Q6 .How to send SMS?

Ans:-  All mobile phones can send and receive SMS. To send an SMS, you need to configure the Message Centre Number of MTNL which is +919869099994. For sending SMS go to message menu and choose write option and type the message to send it to the desired number.

Q7. How to use VMS?

Ans :-   Go to the option Messages –Message setting –Voice Mail number. Enter voice mail number as +919869099990 OR 222

• Now  you can forward your mobile number to  9869099990 as follows

1)UNCONDITIONALLY

2)CONDITIONALLY

a) MOBILE BUSY

b) MOBILE NO REPLY

c) MOBILE NOT REACHABLE / MOBILE SWITCHED OFF

• For retrieving your Voice Mail, you can dial 222 or 9869099990 and follow the interactive voice instructions

Q8. What is roaming? How does it differ from STD?

Ans :-   In case of STD you are able to dial distant city number either mobile or land line whereas roaming allows you to use same SIM (same mobile number) in other networks. You will be able to receive calls on your mobile. You can also make calls from roaming network. For roaming tariff please contact our Call center number 9869012345.

  For more details click here

Q9. If I don’t have STD, whether I will receive roaming calls ?

Ans :- Yes you will be able to receive calls from any place be it the same city or different cities,

But you will not be able to make call to different city.

  For more details click here

Q10. What are the call charges while roaming?

Ans:-   Incoming STD calls charged @ Rs 1.75 and Local incoming & out going calls @Rs 1.40. Out going STD calls charged @ Rs 2.40 plus 14% additional surcharge. Incoming calls are not charged while roaming in BSNL network of Maharashtra and Goa.

  For more details click here

Q11. I have call forwarded mobile number to land line ,How much I will pay?

Ans :-   You will have to pay the incoming and outgoing airtime charges .

Q12. What   is prepaid service?

Ans :-   Our Prepaid service is 'TRUMP'.  For more info click here.

Q13. Where can I get soft copy of MTNL mobile form?

Ans :-   Kindly visit our website http://mumbai.mtnl.net.in

Q14. What are the CSC locations ?

Ans :-    For list of CSC click here

Q15. How  to disconnect my CLIP/ Itemised bill?

Ans:-    Please make a call to 9869012345.

Q16. I am getting ‘0’ as a prefix on received calls, how to solve this problem ?

Ans :-   You can ignore it since you are able to dial local numbers while prefixing ‘0’ also.

Q17. I am not able to send SMS to distant cities ,how to solve this problem?

Ans :- This may be because of temporary network problem. If the problem persists please contact Call centre 1503.

Q18. Whether MTNL offers one number free scheme?

Ans :-   No. At present no such scheme is available.

Q19. Whether MTNL offers night time free scheme?

Ans :-Yes. It is available on select plans in Dolphin postpaid services of MTNL.

Q20. Due to poor coverage, I want to keep number under safe custody so that I can get rental rebate. Is it   possible?

Ans :- No. it is not possible.

Q21 .I have still not got STD? Why? What are the documents required?

Ans:-   It is because you have not submitted the required documents. The documents required are attested copy of PAN card, identity proof document, photo copy of ration card or land line telephone bill.

Q22 .What do you mean by free roaming?

Ans :-    Free roaming means that you will not be billed for roaming charges while roaming in other network. It is applicable In Maharashtra and Goa provided you have selected Cellone as network operator.

Q23. Will MTNL SIM work with all other mobile instrument or we have to use MTNL’s instrument only?

Ans You can use any mobile handset for our SIM. MTNL does not provide mobile handset at all.

Q24.When incoming calls will be free?

Ans :-  I/C calls are free in home network. It is also free in Maharashtra & Goa with BSNL network. Please select Cellone while roaming in Maharashtra and Goa .

Q25 .Is there any new schemes coming?

Ans:-   New schemes and services are launched and promoted through advertisements, SMS, website etc.

Q26 .What is internet address of MTNL?

Ans:-   It is   http://mumbai.mtnl.net.in

Q27 Does MTNL offers Value Added services like ringtones, cricket scores, astrology, caller tune, GPRS etc?

Ans :- There are host of value added services provided by MTNL. For complete details please click here.

Q28 .I am not receiving incoming calls?

Ans :- The number you know may not be correct or you might have diverted your call to some other number.

Q29 I am not receiving calls from some distant cities?

Ans:-   Please register this complaint at customer care on 9869012345 by giving the STD code and telephone of the distant  exchange. We have to open our code in the distant exchange.

Q30. How to dial Vasai/Virar numbers?

Ans :- For outgoing calls 95250 followed by telephone number

Q31. How can I pay my bills ?

Ans   :-   Dolphin bills can be paid at MTNL CSCs, ATM, online, post office, ECS and VDS.

Q32. I have lost my mobile, what is is the procedure of getting a new SIM ?

Ans :-The very first step you should take is to get your SIM block by contacting our customer care number 9869012345 & also register a complaint at police station for N.C. The charge for new SIM is Rs.110/- which can be collected from MTNL CSC.

This site is developed by Dolphin Mobile service, MTNL Mumbai.