Toll-Free Number

Short Code

10DLC

Digit length

10 digits

5-6 digits

10 digits

Messaging model

A2P

A2P

A2P and P2P

Voice enabled

Yes, U.S. and Canada

N/A

Yes, U.S. and Canada

Requires brand vetting

No

Yes, U.S. only

Yes

Requires campaign approval

Yes

Yes

Yes, via TCR (The Campaign Registry)

Provisioning

1-5 business days

3-6 weeks

Standard: 7-10 business days SBC: 3-4 weeks

Throughput

10 msg/sec***

10-500 msg/sec

Up to 75 msg/sec with MNO approval

Delivery Receipts (DLRs)

Yes, U.S. and Canada*

Yes

No handset DLR, SMSC DLR in most of NANP**

MMS

Yes, U.S. and Canada

Yes, U.S. only

Yes, U.S. and Canada

Keywords required

Stop, Unstop - Network managed

Opt-in/out and Help

Opt-in/out

FTEU

Not supported

Available

Not supported

Endorsed by U.S. carriers

Yes

Yes

Yes

Endorsed by CTIA

Yes

Yes

Yes

Supported U.S. carriers

All

All

AT&T, Verizon, T-Mobile/Sprint, US Cellular