1. A method comprising: receiving, by a network device, a request to perform a transaction, the request being received from a device of a user, the transaction corresponding to a particular type of transaction; determining, by the network device, an authentication level, of a plurality of authentication levels, associated with the request, the authentication level being determined based on the transaction corresponding to the particular type of transaction; selecting, by the network device, an access telephone number, the access telephone number being selected, from a plurality of access numbers, based on the authentication level, each of the plurality of access numbers being associated with a different authentication level of the plurality of authentication levels; transferring, by the network device, the request and information regarding the authentication level to a different network device to perform speaker verification of the user for the transaction, the request being transferred using the selected access telephone number, the information regarding the authentication level being transferred after determining the authentication level, the different network device performing, based on the authentication level, the speaker verification of the user to generate a verification score associated with the transaction; receiving, by the network device, the verification score from the different network device; and performing, by the network device, the transaction based on the verification score.
1. A method comprising: receiving, by a network device, a request to perform a transaction, the request being received from a device of a user, the transaction corresponding to a particular type of transaction; determining, by the network device, an authentication level, of a plurality of authentication levels, associated with the request, the authentication level being determined based on the transaction corresponding to the particular type of transaction; selecting, by the network device, an access telephone number, the access telephone number being selected, from a plurality of access numbers, based on the authentication level, each of the plurality of access numbers being associated with a different authentication level of the plurality of authentication levels; transferring, by the network device, the request and information regarding the authentication level to a different network device to perform speaker verification of the user for the transaction, the request being transferred using the selected access telephone number, the information regarding the authentication level being transferred after determining the authentication level, the different network device performing, based on the authentication level, the speaker verification of the user to generate a verification score associated with the transaction; receiving, by the network device, the verification score from the different network device; and performing, by the network device, the transaction based on the verification score. 3. The method of claim 1 , where receiving the verification score includes: receiving one or more dual tone multi-frequency (DTMF) tones from the different network device, the one or more DTMF tones corresponding to the verification score.